<?xml version="1.0" encoding="UTF-8"?>
<!-- generator="wordpress.com" -->
<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"><url><loc>https://purpatents.com/information-and-consultancy-services/</loc><lastmod>2019-05-23T12:16:39+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/about-me/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/me-s.jpg</image:loc><image:title>me s</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/me.jpg</image:loc><image:title>me</image:title></image:image><lastmod>2019-05-23T12:15:54+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/reports/new-innovation-in-polyurethanes-2018-edition/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2019/03/cover2-2019.jpg</image:loc><image:title>cover2 2019</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/03/covertoc.jpg</image:loc><image:title>Cover&amp;TOC</image:title></image:image><lastmod>2019-03-01T13:57:55+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/2019/03/01/now-available-innovation-in-polyurethanes-2019-edition/</loc><lastmod>2019-03-01T13:53:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/reports/innovation-in-polyurethanes-2012/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/08/front-12-13.gif</image:loc><image:title>front 12 &amp; 13</image:title></image:image><lastmod>2019-03-01T13:39:40+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/reports/new-polyurethanes-emission-control/</loc><lastmod>2019-03-01T13:36:32+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/reports/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/06/cover-nr-12.jpg</image:loc><image:title>cover nr 12</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/03/cover11.jpg</image:loc><image:title>cover11</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/02/scan-nr-10.jpg</image:loc><image:title>scan nr 10</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/cover6.jpg</image:loc><image:title>cover6</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/august-front.jpg</image:loc><image:title>august front</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/frontpage.jpg</image:loc><image:title>frontpage</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/cover-3-june.jpg</image:loc><image:title>cover 3 june</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/scan2.jpg</image:loc><image:title>scan2</image:title><image:caption>FREE download</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/pu-tech-scan.jpg</image:loc><image:title>PU tech scan</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/02/pu-2016-toc1.jpg</image:loc><image:title>pu-2016-toc</image:title></image:image><lastmod>2019-03-01T13:35:47+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/order-form/</loc><lastmod>2019-03-01T13:21:31+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/2018/01/05/isocyanate-free-polyaminal-polyurethane-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/01/chda.jpg</image:loc><image:title>CHDA</image:title><image:caption>Cyclohexanedicarboxaldehyde</image:caption></image:image><lastmod>2019-03-01T10:39:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2019/02/22/non-isocyanate-polyurethanes-from-thiocarbonates/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2019/02/scheme1.jpg</image:loc><image:title>scheme1</image:title><image:caption>Reaction scheme according to the invention</image:caption></image:image><lastmod>2019-02-22T13:37:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/02/16/fingerprint-resistant-coatings/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/02/smudgecoating.jpg</image:loc><image:title>smudgecoating</image:title><image:caption>Schematic representation of the invention</image:caption></image:image><lastmod>2019-02-21T10:33:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/11/16/calixarene-based-self-healing-polyurethane-coatings/</loc><lastmod>2019-02-20T13:26:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2019/02/15/novel-chain-extenders/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2019/02/extender.jpg</image:loc><image:title>extender</image:title><image:caption>Chain extender according to the invention</image:caption></image:image><lastmod>2019-02-18T10:59:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2019/02/08/single-pot-nops/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2019/02/prilezhaev.jpg</image:loc><image:title>Prilezhaev</image:title><image:caption>Prilezhaev oxidation and ring-opening</image:caption></image:image><lastmod>2019-02-08T14:27:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2019/02/01/omniphobic-polyurea/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2019/02/omniphobicpolyurea.jpg</image:loc><image:title>omniphobicpolyurea</image:title><image:caption>Reaction system according to the invention</image:caption></image:image><lastmod>2019-02-01T10:28:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2019/01/25/thermoplastic-pu-pdms-copolymer/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2019/01/pdms-eo.jpg</image:loc><image:title>pdms-eo</image:title><image:caption>EO-capped PDMS</image:caption></image:image><lastmod>2019-01-25T13:26:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/07/02/tpus-from-block-polyester-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/07/pet.jpg</image:loc><image:title>PET</image:title><image:caption>Poly(ethyelenterephthalate)</image:caption></image:image><lastmod>2019-01-18T13:14:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2019/01/14/low-viscosity-polyester-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2019/01/lactide.jpg</image:loc><image:title>lactide</image:title><image:caption>Lactide</image:caption></image:image><lastmod>2019-01-14T10:20:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/12/18/polyols-for-polyurethane-fibre-reinforced-composite/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/12/castor-oil.jpg</image:loc><image:title>castor oil</image:title><image:caption>Main component of castor oil</image:caption></image:image><lastmod>2019-01-04T13:26:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2019/01/04/tpu-with-high-emr-permeability/</loc><lastmod>2019-01-04T10:51:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/12/10/polyurethane-for-oil-well-refracking/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/12/refracking.jpg</image:loc><image:title>refracking</image:title><image:caption>Sealing of fracking well</image:caption></image:image><lastmod>2018-12-10T14:40:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/12/03/m-xylylene-diisocyanate-for-polythiourethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/12/m-xdi.jpg</image:loc><image:title>m-XDI</image:title><image:caption>XDI</image:caption></image:image><lastmod>2018-12-10T14:11:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/11/23/polyurethanes-emission-control/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/11/voc-cover1.jpg</image:loc><image:title>VOC Cover</image:title></image:image><lastmod>2018-11-23T14:12:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/05/15/self-healing-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/05/coumarine.gif</image:loc><image:title>coumarine</image:title><image:caption>Photodimerization and -cleavage of coumarine derivatives</image:caption></image:image><lastmod>2018-11-16T09:37:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/11/12/polyurethane-graphene-composite/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/11/graphene.jpg</image:loc><image:title>Graphene</image:title><image:caption>Graphene (Wikipedia)</image:caption></image:image><lastmod>2018-11-12T13:36:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/01/02/thermoplastic-polyurethanes-from-polyesters-based-on-bio-propanediol/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/01/pdo.png</image:loc><image:title>PDO</image:title><image:caption>1,3-propanediol</image:caption></image:image><lastmod>2018-11-06T14:24:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/11/02/pu-elastomers-with-extremely-high-elongation/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/11/methylpentandiamine.png</image:loc><image:title>methylpentandiamine</image:title><image:caption>2-methyl-1,5-pentanediamine</image:caption></image:image><lastmod>2018-11-03T09:23:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/10/26/aliphatic-tpu-with-reduced-effloresence/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/10/ddi.png</image:loc><image:title>DDI</image:title><image:caption>1,10-diisocyanatohexane (DDI)</image:caption></image:image><lastmod>2018-10-26T12:51:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/10/23/polyurethanes-from-bisphenol-based-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/10/multranol.png</image:loc><image:title>multranol</image:title><image:caption>Catalytic tetrol used in the invention</image:caption></image:image><lastmod>2018-10-23T12:20:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/10/15/tpu-nanocomposite/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/10/nanoparticle.png</image:loc><image:title>nanoparticle</image:title><image:caption>Stabilized nanoparticles (Wikipedia)</image:caption></image:image><lastmod>2018-10-15T13:29:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/10/05/translucent-rigid-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/10/desmodur-n3900.png</image:loc><image:title>Desmodur N3900</image:title><image:caption>Asymmetric trimer of HDI (oxadiazinedione)</image:caption></image:image><lastmod>2018-10-05T13:24:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/12/16/in-situ-reticulated-viscoelastic-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/12/reticulatedfoam.jpg</image:loc><image:title>reticulatedfoam</image:title><image:caption>Cell structure of a reticulated foam</image:caption></image:image><lastmod>2018-10-05T12:22:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/11/24/tpu-from-low-free-monomeric-isocyanate-prepolymers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/11/ppdi.jpg</image:loc><image:title>PPDI</image:title><image:caption>para-phenylenediisocyanate (PPDI)</image:caption></image:image><lastmod>2018-10-03T12:58:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/10/02/free-download-polyurethane-science-scan-nr-14-august-september-2018/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/10/frontpage14.png</image:loc><image:title>frontpage14</image:title></image:image><lastmod>2018-10-02T09:43:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/09/25/temperature-stable-memory-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/09/dmta.png</image:loc><image:title>DMTA</image:title><image:caption>DMTA trace of foam according to the invention</image:caption></image:image><lastmod>2018-09-25T13:34:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/09/17/open-microcellular-rigid-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/09/co2_phase_diagram.png</image:loc><image:title>CO2_phase_diagram</image:title><image:caption>Carbon dioxide (P,T) phase diagram (Wikipedia)</image:caption></image:image><lastmod>2018-09-17T12:30:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/09/10/novel-i-peep-polymers/</loc><lastmod>2018-09-10T15:26:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/09/03/trimerized-pentamethylenediisocyanate/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/09/spiro-catalyst.png</image:loc><image:title>spiro catalyst</image:title><image:caption>Spirocyclic ammonium salt used as catalyst in the invention</image:caption></image:image><lastmod>2018-09-06T15:31:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/08/28/reactive-tpu-for-am/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/08/caprolactam.gif</image:loc><image:title>caprolactam</image:title><image:caption>Caprolactam</image:caption></image:image><lastmod>2018-08-28T13:05:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/08/21/flexible-foams-with-reduced-aldehyde-emissions/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/08/dmchd.png</image:loc><image:title>DMCHD</image:title><image:caption>5,5-dimethylcyclohexane-1,3-dione</image:caption></image:image><lastmod>2018-08-21T09:23:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/08/14/bioabsorbable-thermoplastic-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/08/ldi1.jpg</image:loc><image:title>LDI</image:title><image:caption>Lysine diisocyanate</image:caption></image:image><lastmod>2018-08-14T16:27:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/07/30/polyurethane-oil-gel/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/07/nbdi.jpg</image:loc><image:title>NBDI</image:title><image:caption>2,5-norbornane diisocyanate</image:caption></image:image><lastmod>2018-08-01T07:46:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/07/24/pu-elastomers-from-sgo-polymerized-acrylic-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/07/hba.jpg</image:loc><image:title>HBA</image:title><image:caption>Hydroxybutylacrylate</image:caption></image:image><lastmod>2018-07-24T08:51:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/04/20/hybrid-polyurethane-elastomer/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/04/glycidylmethacrylate1.jpg</image:loc><image:title>glycidylmethacrylate</image:title><image:caption>Glycidylmethacrylate</image:caption></image:image><lastmod>2018-07-11T07:22:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/07/09/phosgene-free-polyisocyanate-with-pdms-backbone/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/07/biscarbamate.jpg</image:loc><image:title>biscarbamate</image:title><image:caption>Biscarbamate with PDMS backbone</image:caption></image:image><lastmod>2018-07-09T12:37:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/06/22/uv-resistant-viscoelastic-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/06/tde.jpg</image:loc><image:title>TDE</image:title><image:caption>2,2'-thiodiethanol</image:caption></image:image><lastmod>2018-06-22T12:43:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/06/15/fiber-reinforced-tpu-composites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/06/etoxbisf.jpg</image:loc><image:title>EtoxBisF</image:title><image:caption>Ethoxylated Bisphenol F</image:caption></image:image><lastmod>2018-06-15T12:45:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/06/08/carbamate-blown-rigid-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/06/carbamate.jpg</image:loc><image:title>carbamate</image:title><image:caption>Carbamate of N,N-dimethylaminopropylamine</image:caption></image:image><lastmod>2018-06-08T12:51:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/05/18/hybrid-polyisocyanurates-for-composites-and-coatings/</loc><lastmod>2018-06-02T08:02:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/05/07/catalyst-system-for-frothed-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/05/trisacetylacetonatoironiii.jpg</image:loc><image:title>Tris(acetylacetonato)iron(III)</image:title><image:caption>Tris(acetylacetonato)iron(III)</image:caption></image:image><lastmod>2018-05-28T16:21:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/05/25/foamed-and-coloured-tpu-pellets/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/05/azo-compound.png</image:loc><image:title>azo compound</image:title><image:caption>Typical azo compound used in dispersion dyes</image:caption></image:image><lastmod>2018-05-25T11:57:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/05/14/proppant-coatings-with-controlled-release/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/05/list.jpg</image:loc><image:title>list</image:title><image:caption>Some fracking fluid additives.</image:caption></image:image><lastmod>2018-05-14T13:24:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/01/11/tpu-powder-for-sls/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/01/sls.jpg</image:loc><image:title>SLS</image:title><image:caption>Tetrahedron made by SLS</image:caption></image:image><lastmod>2018-04-23T13:07:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/04/13/scorch-proof-polyurethane-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/04/quinoline.jpg</image:loc><image:title>quinoline</image:title><image:caption>2,2,4-trimethyl-1,2-dihydroquinoline</image:caption></image:image><lastmod>2018-04-16T08:30:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/04/06/degradation-proof-tpu/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/04/pib.jpg</image:loc><image:title>PIB</image:title><image:caption>Hydrogenated (1,2) polybutadiene </image:caption></image:image><lastmod>2018-04-09T06:24:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/03/23/tpu-for-rtm/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/03/tricylodecane.jpg</image:loc><image:title>tricylodecane</image:title><image:caption>4,8-bis(hydroxymethyl)tricyclo[5,2,1,6]decane</image:caption></image:image><lastmod>2018-04-06T12:59:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/03/16/innovation-in-polyurethanes-2018-table-of-contents/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/03/front.jpg</image:loc><image:title>front</image:title></image:image><lastmod>2018-03-16T10:05:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/03/09/photocrosslinkable-polyurethane-coatings-and-adhesives/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/03/coumarin-monomer.jpg</image:loc><image:title>coumarin monomer</image:title><image:caption>Hydroxy functional coumarin monomer</image:caption></image:image><lastmod>2018-03-09T13:30:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/03/02/now-available-innovation-in-polyurethanes-2018-edition/</loc><lastmod>2018-03-04T17:04:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/contact/</loc><lastmod>2018-03-01T13:51:39+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/2017/06/09/preventing-ostwald-ripening-in-rigid-pu-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/06/perfluorocyclohexane.png</image:loc><image:title>perfluorocyclohexane</image:title><image:caption>Perfluorocyclohexane</image:caption></image:image><lastmod>2018-02-28T12:45:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/02/23/thermoplastic-polythiourethanes-for-3d-printing/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/02/polythiourethane.jpg</image:loc><image:title>polythiourethane</image:title><image:caption>Polythiourethane according to the invention</image:caption></image:image><lastmod>2018-02-27T16:18:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/01/27/hydrolysis-resistant-polyester-urethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/01/cyclohexanedimethanol.jpg</image:loc><image:title>cyclohexanedimethanol</image:title><image:caption>Cyclohexane-1,1-dimethanol</image:caption></image:image><lastmod>2018-02-26T13:24:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/07/24/pu-fposs-coating-compositions/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/07/fposs.jpg</image:loc><image:title>FPOSS</image:title><image:caption>Synthesis of OH-functional trifluoropropyl POSS</image:caption></image:image><lastmod>2018-02-26T13:08:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/03/27/bio-based-acoustic-polyurethane-foam/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/03/ibm.jpg</image:loc><image:title>IBM</image:title><image:caption>Reaction scheme according to the invbention</image:caption></image:image><lastmod>2018-02-22T14:11:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/04/21/tpu-with-moisture-controlled-flexibility/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/04/neopentylglycol.gif</image:loc><image:title>neopentylglycol</image:title><image:caption>Neopentylglycol</image:caption></image:image><lastmod>2018-02-22T13:38:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/02/09/pir-oxazolidone-foams-from-natural-oils/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/02/oxazolidone.jpg</image:loc><image:title>oxazolidone</image:title><image:caption>Formation of oxazolidone rings according to the invention</image:caption></image:image><lastmod>2018-02-09T14:25:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/01/29/polyurethanes-from-alpha-glucan/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/01/glucan.jpg</image:loc><image:title>glucan</image:title><image:caption>Poly alpha 1,3-glucan</image:caption></image:image><lastmod>2018-01-29T14:08:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/01/22/degradable-polyurethane-elastomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/01/vibracure.jpg</image:loc><image:title>vibracure</image:title><image:caption>1,3-propanediol bis-(4-aminobenzoate)</image:caption></image:image><lastmod>2018-01-22T14:29:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2018/01/15/fluorinated-thermoplastic-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2018/01/case.jpg</image:loc><image:title>case</image:title><image:caption>F-TPU smartphone case</image:caption></image:image><lastmod>2018-01-18T20:34:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/09/25/polythiourethanes-for-3d-printing/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/09/danba.jpg</image:loc><image:title>DANBA</image:title><image:caption>Example of pholatent base (DANBA)</image:caption></image:image><lastmod>2018-01-03T10:08:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/12/22/polyamide-polymer-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/12/adipicacid.jpg</image:loc><image:title>adipicacid</image:title><image:caption>Adipic acid</image:caption></image:image><lastmod>2017-12-22T10:44:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/12/18/coated-fracking-proppants/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/12/citricacid.jpg</image:loc><image:title>citricacid</image:title><image:caption>Citric acid</image:caption></image:image><lastmod>2017-12-18T14:21:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/12/11/pcm-containing-viscoelastic-foams/</loc><lastmod>2017-12-12T08:16:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/11/24/solid-solid-pu-pcm/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/11/phase_change_materials.png</image:loc><image:title>Phase_Change_Materials</image:title><image:caption>Temperature damping by PCM (Wikimedia Commons)</image:caption></image:image><lastmod>2017-12-07T13:21:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/11/20/sequence-defined-polyurethanes-for-information-storage/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/11/capture.jpg</image:loc><image:title>Capture1</image:title><image:caption>Process scheme according to the invention</image:caption></image:image><lastmod>2017-11-21T12:06:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/10/30/modified-polyisocyanurates/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/10/hdi-isocyanurate.jpg</image:loc><image:title>HDI isocyanurate</image:title><image:caption>HDI-isocyanurate</image:caption></image:image><lastmod>2017-11-10T14:27:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/11/10/aliphatic-polyisocyanurate-composites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/11/ipdi.jpg</image:loc><image:title>ipdi</image:title><image:caption>Isophorone diisocyanate (IPDI)</image:caption></image:image><lastmod>2017-11-10T14:27:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/10/20/breathable-tpu-membranes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/10/nmp.gif</image:loc><image:title>NMP</image:title><image:caption>N-methyle-2-pyrrolidone</image:caption></image:image><lastmod>2017-10-20T12:45:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/10/13/natural-oil-polyols-using-self-metathesis/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/10/oligomer.jpg</image:loc><image:title>oligomer</image:title><image:caption>Oligomer from self-metathesis of unsaturated triglycerid</image:caption></image:image><lastmod>2017-10-13T13:37:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/10/09/monodisperse-polymer-polyol/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/10/tmi.png</image:loc><image:title>TMI</image:title><image:caption>3,3-isoprenyl-α,α-dimethylbenzylisocyanate</image:caption></image:image><lastmod>2017-10-10T15:08:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/09/19/hydrolysable-ureas/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/09/hub-hysdrolysis.jpg</image:loc><image:title>HUB hysdrolysis</image:title><image:caption>Hydrolysis reaction of phenyl-N-tetrabutyl-N-ethyl urea</image:caption></image:image><lastmod>2017-09-19T09:34:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/09/08/rigid-thermoplastic-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/09/cyclohexanedimethanol.jpg</image:loc><image:title>cyclohexanedimethanol</image:title><image:caption>1,4-cyclohexanedimethanol</image:caption></image:image><lastmod>2017-09-08T12:34:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/08/18/viscoelastic-polyurethane-elastomers/</loc><lastmod>2017-08-18T13:18:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/08/11/pu-flexible-foams-with-reduced-acetaldehyde-emissions/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/08/cyanoacetamide.jpg</image:loc><image:title>cyanoacetamide</image:title><image:caption>Cyanoacetamide</image:caption></image:image><lastmod>2017-08-11T13:12:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/08/04/non-isocyanate-polyurethane-flexible-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/08/cyclocarbonate.jpg</image:loc><image:title>cyclocarbonate</image:title><image:caption>Glycidylether carbonate of alkoxylkated trimethylolpropane</image:caption></image:image><lastmod>2017-08-04T12:44:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/07/28/pcm-containing-pu-gels/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/07/lauryllaurate.jpg</image:loc><image:title>lauryllaurate</image:title><image:caption>Lauryl laurate</image:caption></image:image><lastmod>2017-07-28T13:01:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/07/14/tpu-aerosol/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/07/3m-paint-defender-system-01.jpg</image:loc><image:title>3M-Paint-Defender-System-01</image:title><image:caption>#M's aerosol-sprayed protective film.</image:caption></image:image><lastmod>2017-07-14T12:05:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/07/07/tpu-shrink-wrap/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/07/shrinkwrap.jpg</image:loc><image:title>shrink wrap</image:title><image:caption>Shrink-wrapped Helicopters (Wikipedia)</image:caption></image:image><lastmod>2017-07-07T09:18:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/06/23/tpu-foams/</loc><lastmod>2017-06-23T14:07:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/06/16/polyols-from-natural-oils-using-the-alkyne-zipper-reaction/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/06/ibm.jpg</image:loc><image:title>IBM</image:title><image:caption>Reaction sequence according to the invention</image:caption></image:image><lastmod>2017-06-18T15:13:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/06/02/polycarbonate-pu-foams-with-reduced-voc-emissions/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/06/propylenecarbonate.jpg</image:loc><image:title>propylenecarbonate</image:title><image:caption>Propylenecarbonate</image:caption></image:image><lastmod>2017-06-03T14:35:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/05/29/tpu-from-oleic-acid/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/oleicacid.gif</image:loc><image:title>oleicacid</image:title><image:caption>Oleic Acid</image:caption></image:image><lastmod>2017-05-29T12:58:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/05/22/thiol-crosslinked-polyhydroxyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/dtmpdc.jpg</image:loc><image:title>DTMPDC</image:title><image:caption>Di-trimethylolpropanedicarbonate</image:caption></image:image><lastmod>2017-05-22T12:52:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/05/12/crystalline-high-hardblock-tpu/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/isoplast.jpg</image:loc><image:title>isoplast</image:title><image:caption>The famous ISOPLAST nail</image:caption></image:image><lastmod>2021-05-17T16:58:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/05/08/matte-self-healing-polyurethane-powder-coatings/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/05/matte.jpg</image:loc><image:title>matte</image:title><image:caption>Care with matte finish</image:caption></image:image><lastmod>2017-05-08T11:27:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/reports/new-non-isocyanate-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/09/frontpage.gif</image:loc><image:title>frontpage</image:title></image:image><lastmod>2017-05-03T13:14:03+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/2017/04/28/moisture-scavenger-for-polyurethane-coatings/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/04/catalyst.jpg</image:loc><image:title>catalyst</image:title><image:caption>1,3-bis[3-dimethylaminopropyl]urea</image:caption></image:image><lastmod>2017-04-28T13:32:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/04/14/high-resiliency-polyurethane-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/04/sorbitol.jpg</image:loc><image:title>Sorbitol</image:title><image:caption>Sorbitol</image:caption></image:image><lastmod>2017-04-14T13:43:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/04/07/tack-free-polythiourethane-gels/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/04/thiolurethane.jpg</image:loc><image:title>thiolurethane</image:title><image:caption>Thiolurethane ("thiourethane") linkage</image:caption></image:image><lastmod>2018-06-28T06:43:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/04/03/functionalized-polymer-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/04/dowpolpol.jpg</image:loc><image:title>dowpolpol</image:title></image:image><lastmod>2017-04-03T13:41:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/03/23/download-innovation-in-polyurethanes-reports/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/03/covers.jpg</image:loc><image:title>covers</image:title></image:image><lastmod>2017-03-23T13:50:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/03/20/low-density-foamed-tpu/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/03/fig4tpu.png</image:loc><image:title>fig4tpu</image:title><image:caption>SEM picture of moulded TPU according to the invention</image:caption></image:image><lastmod>2017-03-20T10:26:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/01/09/polyester-tpu-with-reduced-blooming/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/01/sebacicacid.jpg</image:loc><image:title>sebacicacid</image:title><image:caption>Sebacic Acid</image:caption></image:image><lastmod>2017-03-16T18:27:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/03/10/tpu-with-reduced-blooming/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/03/cycloester.jpg</image:loc><image:title>cycloester</image:title><image:caption>A cyclic ester oligomer</image:caption></image:image><lastmod>2017-03-10T10:45:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/03/06/non-isocyanate-polyamide-hydroxyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/03/pahu-reaction1.jpg</image:loc><image:title>pahu-reaction</image:title><image:caption>PAHU preparation scheme</image:caption></image:image><lastmod>2017-03-06T14:06:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/02/27/now-available-innovation-in-polyurethanes-2016/</loc><lastmod>2017-02-27T14:35:53+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/03/11/prepregs-from-glass-fiber-and-reactive-polyurethane-powder/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/03/prepreg.jpg</image:loc><image:title>prepreg</image:title><image:caption>Prepreg production with reactive PU powder</image:caption></image:image><lastmod>2017-02-21T10:16:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/05/30/polyurethane-epoxy-ipn-composites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/05/bisphenol_a_diglycidyl_ether_200.gif</image:loc><image:title>Bisphenol_A_diglycidyl_ether_200</image:title><image:caption>Bisphenol-A diglycidylether</image:caption></image:image><lastmod>2017-02-21T10:15:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/02/17/sic-pu-nanocomposites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/02/tespi.jpg</image:loc><image:title>tespi</image:title><image:caption>3-triethoxysilylpropylisocyanate</image:caption></image:image><lastmod>2017-02-17T13:45:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/12/23/infrared-curable-2k-pu-adhesives/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/12/dbu.jpg</image:loc><image:title>dbu</image:title><image:caption>1,8-diazabicycloundec-7-ene </image:caption></image:image><lastmod>2017-02-16T09:52:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/02/10/tpu-from-gem-dialkyl-cyclooctadiene/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/02/dimethylcyclooctane.jpg</image:loc><image:title>dimethylcyclooctane</image:title><image:caption>5,5-dimethylcyclooct-1-ene</image:caption></image:image><lastmod>2017-02-12T18:00:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/02/03/aerogels-from-isocyanates-and-epoxies/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/02/triepoxy.jpg</image:loc><image:title>triepoxy</image:title><image:caption>N,N-Diglycidyl-4-glycidyloxyaniline</image:caption></image:image><lastmod>2017-02-10T13:53:24+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/about/</loc><lastmod>2017-01-31T16:36:16+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://purpatents.com/2017/01/23/tpu-silicone-tpvs/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/01/peroxide.jpg</image:loc><image:title>peroxide</image:title><image:caption>perox</image:caption></image:image><lastmod>2017-01-23T17:18:16+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/01/13/tpu-with-anti-biofouling-surface/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/01/tpusurface.png</image:loc><image:title>tpusurface</image:title><image:caption>Microstructured surface according to the invention</image:caption></image:image><lastmod>2017-01-13T13:22:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/02/19/spirocyclic-chain-extenders-in-tpu/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/02/psg.png</image:loc><image:title>PSG</image:title><image:caption>3,9-bis(1,1-dimethyl-2-hydroxyethyl)-2,4,8,10-tetraoxaspiro[5.5]undecane</image:caption></image:image><lastmod>2017-01-11T09:57:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2017/01/06/flexible-pu-foams-containing-latent-aldehydes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2017/01/propionaldehyde.png</image:loc><image:title>propionaldehyde</image:title><image:caption>Propionaldehyde</image:caption></image:image><lastmod>2017-01-06T14:40:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/12/30/liquid-crystalline-polyurethane-elastomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/12/mesogen.jpg</image:loc><image:title>mesogen</image:title><image:caption>General structure of the mesogenic diol of the invention</image:caption></image:image><lastmod>2016-12-30T14:51:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/12/09/tpupu-acrylate-semi-ipns/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/12/microstructure.jpg</image:loc><image:title>microstructure</image:title><image:caption>Microstructured layer according to the invention</image:caption></image:image><lastmod>2016-12-09T14:23:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/12/05/soft-ionomeric-tpu/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/12/bes.jpg</image:loc><image:title>bes</image:title><image:caption>N,N-bis(2-hydroxyethyl)-2-aminoethane sulfonic acid</image:caption></image:image><lastmod>2016-12-05T14:03:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/11/25/self-healing-polyurethane-elastomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/11/a-dimer-diol.jpg</image:loc><image:title>a-dimer-diol</image:title><image:caption>A dimer diol</image:caption></image:image><lastmod>2016-11-25T15:24:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/11/18/polyurethane-for-filament-winding/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/11/filamentwinding.jpg</image:loc><image:title>filamentwinding</image:title><image:caption>Filanent winding process</image:caption></image:image><lastmod>2016-11-18T14:07:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/11/11/reactive-polyurethane-plasticizer/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/11/44mdi.gif</image:loc><image:title>44mdi</image:title><image:caption>4,4'-MDI</image:caption></image:image><lastmod>2016-11-11T13:50:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/11/04/classic-pu-patent-of-the-month-microencapsulation-1963/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/11/fig1.gif</image:loc><image:title>fig1</image:title><image:caption>Figure 1 illustrating the process</image:caption></image:image><lastmod>2016-11-04T14:22:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/10/31/non-isocyanate-polyurethanes-from-sucrose-fatty-acid-esters/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/10/sucroseester.gif</image:loc><image:title>sucroseester</image:title><image:caption>Epoxidized sucrose-fatty acid ester</image:caption></image:image><lastmod>2016-10-31T13:47:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/10/24/polyrotaxanes-in-flexible-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/10/polyrotax.gif</image:loc><image:title>polyrotax</image:title><image:caption>Polyrotaxane-crosllinked polyurethane under stress (schematic)</image:caption></image:image><lastmod>2016-10-24T12:32:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/10/14/spray-foam-with-reduced-cream-time/</loc><lastmod>2016-10-14T14:20:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/10/10/self-healing-polyurethane-coatings/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/10/selfheal.gif</image:loc><image:title>selfheal</image:title><image:caption>Self-healing network according to the invention. The isocyanate used was (E)-3,5-bis(6-isocyanatohexyl)-
6-( ( 6-isocyanatohexyl)imino )-1,3,5-oxadiazinane-2,
4-dione.</image:caption></image:image><lastmod>2016-10-10T14:12:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/09/30/pu-acrylateepoxy-ipn-for-3d-printing/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/09/polyepoxy.png</image:loc><image:title>polyepoxy</image:title><image:caption>3,4-Epoxycyclohexylmethyl-3,4-
epoxycyclohexane carboxylate</image:caption></image:image><lastmod>2016-09-30T12:39:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/10/28/flexible-foams-with-enlarged-cell-size/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/10/flexible-foam-cells.jpg</image:loc><image:title>flexible foam cells</image:title><image:caption>Cell structure of a flexible polyurethane foam.</image:caption></image:image><lastmod>2016-09-26T11:20:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/09/26/green-tea-memory-foam/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/09/green-tea.jpg</image:loc><image:title>green-tea</image:title><image:caption>Cammelia sinensis (Wikipedia)</image:caption></image:image><lastmod>2016-09-26T14:30:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/09/20/now-available-non-isocyanate-polyurethanes-pdf/</loc><lastmod>2016-09-20T13:35:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/09/16/polyurethane-prepolymer-with-very-low-monomeric-isocyanate-content/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/09/btespa.png</image:loc><image:title>btespa</image:title><image:caption>Bis(3-(triethoxysilyl)propyl)amine</image:caption></image:image><lastmod>2016-09-16T13:22:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/09/12/polyurethane-tissue-adhesives/</loc><lastmod>2016-09-12T13:01:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/09/02/hybrid-pu-peptide-puds/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/09/l-cysteine.png</image:loc><image:title>L- cysteine</image:title><image:caption>L-cysteine</image:caption></image:image><lastmod>2016-09-02T14:01:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/08/29/formic-acid-blown-epic-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/08/bisfdiglycidyl.png</image:loc><image:title>BisFdiglycidyl</image:title><image:caption>Bisphenol-F diglycidylether</image:caption></image:image><lastmod>2016-08-29T17:25:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/08/22/one-component-polyurea/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/08/thermoreversible-polyurea-ii.gif</image:loc><image:title>thermoreversible polyurea II</image:title><image:caption>Thermoreversible polyurea according to the invention</image:caption></image:image><lastmod>2016-08-22T12:58:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/05/09/thermoreversible-polyurea/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/05/pua.png</image:loc><image:title>PUA</image:title><image:caption>Polurethane-urea with thermoreverisble urea bonds</image:caption></image:image><lastmod>2016-08-22T11:54:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/08/12/highly-tuneable-shape-memory-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/08/scheme.gif</image:loc><image:title>scheme</image:title><image:caption>Reaction scheme of the invention</image:caption></image:image><lastmod>2016-08-12T13:09:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/08/08/dispersions-of-comb-structured-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/08/thioglycerol.gif</image:loc><image:title>thioglycerol</image:title><image:caption>Thioglycerol</image:caption></image:image><lastmod>2016-08-08T12:33:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/07/29/pet-lignin-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/07/lignin.jpg</image:loc><image:title>lignin</image:title><image:caption>Part of a lignin structure</image:caption></image:image><lastmod>2016-07-29T13:47:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/07/22/optical-polyurethane-elastomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/07/sn-complex1.gif</image:loc><image:title>SN complex</image:title><image:caption>Example of thermo-latent catalyst according to the invention</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/07/sn-complex.gif</image:loc><image:title>SN complex</image:title><image:caption>Example of thermo-latent catalyst acording to the invention</image:caption></image:image><lastmod>2016-07-22T12:54:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/07/18/polyether-polyacetal-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/07/trispentafluorophenylboron.gif</image:loc><image:title>Tris(pentafluorophenyl)boron</image:title><image:caption>tris(pentafluorophenyl)borane</image:caption></image:image><lastmod>2016-07-18T13:44:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/07/11/nops-from-gmos/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/07/pufa.jpg</image:loc><image:title>PUFA</image:title><image:caption>Triglicerid with PUFA</image:caption></image:image><lastmod>2016-08-06T10:04:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/07/04/polyurethane-elastomer-with-high-dielectric-constant/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/07/dipole.jpg</image:loc><image:title>dipole</image:title><image:caption>N-2-Hydroxyethyl-N-Methyl-4-Nitroanilin</image:caption></image:image><lastmod>2016-07-04T13:02:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/06/24/novel-cellopener-for-flexible-and-viscoelastic-pu-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/06/bluewave.jpg</image:loc><image:title>bluewave</image:title><image:caption>The BLUEWAVE dispersion process</image:caption></image:image><lastmod>2016-06-24T13:20:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/06/20/polyols-from-proteins/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/06/diol.gif</image:loc><image:title>diol</image:title><image:caption>Diol acoording to the invention. R is an amino acid residue.</image:caption></image:image><lastmod>2016-06-20T13:10:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/06/13/self-crosslinkable-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/06/hydrazine.gif</image:loc><image:title>hydrazine</image:title><image:caption>Hydrazine</image:caption></image:image><lastmod>2016-06-13T12:18:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/06/06/polyurethane-acrylate-plastisol/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/06/adh.png</image:loc><image:title>ADH</image:title><image:caption>Adipic dihydrazide</image:caption></image:image><lastmod>2016-06-06T12:14:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/05/23/dual-cure-pu-for-3d-printing/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/05/tbaema1.png</image:loc><image:title>TBAEMA</image:title><image:caption>TBAEMA</image:caption></image:image><lastmod>2016-05-23T13:33:16+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/05/16/polyurethanes-from-mevalonolactone/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/05/mevalonolactone1.png</image:loc><image:title>mevalonolactone</image:title><image:caption>Dihydroxymethylvaleric acid and its corresponding lactone </image:caption></image:image><lastmod>2016-05-16T14:56:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/05/02/classic-pu-patent-of-the-month-icis-perfect-elastomer-1995/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/05/dmta1.png</image:loc><image:title>DMTA</image:title><image:caption>1Hz DMTA trace of ICI's "perfect elastomer".</image:caption></image:image><lastmod>2016-05-02T09:12:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/04/22/hybrid-polyurethane-peptide-dispersion/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/04/peptide.png</image:loc><image:title>peptide</image:title><image:caption>Example of a tetrapeptide: Val-Gly-Ser-Ala.  (Wikipedia)</image:caption></image:image><lastmod>2016-04-22T15:18:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/04/18/dianhydrohexitol-based-tpu/</loc><lastmod>2016-04-18T09:07:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/04/08/tpu-from-hdi-and-h12mdi/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/04/h12mdi.png</image:loc><image:title>H12MDI</image:title><image:caption>H12MDI</image:caption></image:image><lastmod>2016-04-15T08:38:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/04/01/hydrophilic-pu-foams-from-sulfonated-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/04/5-sulfoisophthalic-acid-sodium-salt.png</image:loc><image:title>5-sulfoisophthalic acid sodium salt</image:title><image:caption>Dimethyl sodium 5-sulfoisophthalate</image:caption></image:image><lastmod>2016-04-01T09:34:53+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/03/25/tpu-from-biorenewable-isocyanate/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/03/curtius.png</image:loc><image:title>Curtius</image:title><image:caption>Curtius Rearrangment</image:caption></image:image><lastmod>2017-06-02T12:59:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/03/21/vinyl-functional-uv-curable-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/03/bddge.jpg</image:loc><image:title>BDDGE</image:title><image:caption>1,4-butandioldiglycidylether</image:caption></image:image><lastmod>2016-03-21T13:03:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/03/11/novel-polyurethane-gels/</loc><lastmod>2016-03-11T10:43:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/03/04/carbon-black-reinforced-polyurethane-tires/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/03/goodyeartire.jpg</image:loc><image:title>GoodyearTire</image:title><image:caption>GoodYear Tire</image:caption></image:image><lastmod>2016-03-04T10:52:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/02/26/polyurethane-elastomers-from-modified-polybutadienols/</loc><lastmod>2016-02-26T10:30:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/02/23/now-available-innovation-in-polyurethanes-2015-pdf/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/02/toc20152.png</image:loc><image:title>TOC2015</image:title></image:image><lastmod>2016-02-23T14:18:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/02/12/1k-dual-cure-polyurethane-adhesive/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/02/dodecanediamine.jpg</image:loc><image:title>dodecanediamine</image:title><image:caption>1,12-dodecanediamine</image:caption></image:image><lastmod>2016-02-12T10:11:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/01/29/flexible-pu-foam-with-very-low-resilience/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/01/trans-14-bic.png</image:loc><image:title>trans-1,4-BIC</image:title><image:caption>trans-1,4-bis(isocyanatomethyl)cyclohexane</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/01/bic.png</image:loc><image:title>BIC</image:title><image:caption>1,4-bis(isocyanatomethyl)cyclohexane</image:caption></image:image><lastmod>2016-02-08T15:38:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/02/05/polyurethane-with-thermally-revesible-crosslinks/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/02/polymaleimide.jpg</image:loc><image:title>polymaleimide</image:title><image:caption>1,1'-(methylenedi-4,1-methylene)bismaleimide</image:caption></image:image><lastmod>2016-02-07T05:19:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/05/08/syntactic-polyurethane-elastomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/05/phenylmercuric_neodecanoate.jpg</image:loc><image:title>Phenylmercuric_neodecanoate</image:title><image:caption>Phenylmercury neodecanoate</image:caption></image:image><lastmod>2016-02-04T15:03:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/01/22/classic-pu-patent-of-the-month-ici-on-high-eo-pure-mdi-flexible-foams-1991/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/01/mdi.gif</image:loc><image:title>MDI</image:title><image:caption>4,4'-MDI</image:caption></image:image><lastmod>2016-01-22T13:19:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2016/01/15/puds-for-superhydrophobic-coatings/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2016/01/dmpa.jpg</image:loc><image:title>DMPA</image:title><image:caption>Dimethylolpropionic acid</image:caption></image:image><lastmod>2016-01-15T15:37:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/01/16/steam-treated-polyisocyanurate-take-two/</loc><lastmod>2016-01-05T13:45:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/10/30/uv-crosslinkable-tpu/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/10/tmpmae1.jpg</image:loc><image:title>TMPMAE</image:title><image:caption>Trimethylolpropane monoallyl ether</image:caption></image:image><lastmod>2016-01-05T13:37:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/12/18/polyurethane-foams-with-reduced-acetaldehyde-emissions/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/12/aminooxymethylstyrene1.png</image:loc><image:title>aminooxymethylstyrene</image:title><image:caption>Aminooxymethylstyrene</image:caption></image:image><lastmod>2016-01-05T13:33:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/12/28/urethane-acrylate-latex/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/12/hea.png</image:loc><image:title>HEA</image:title><image:caption>Hydroxyethyl acrylate</image:caption></image:image><lastmod>2015-12-28T10:41:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/12/11/novel-aliphatic-polyester-polyols-for-tpu/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/12/sebacic_acid.gif</image:loc><image:title>Sebacic_acid</image:title><image:caption>Sebacic acid</image:caption></image:image><lastmod>2015-12-11T18:24:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/12/04/superhydrophilic-polyurethane-coatings/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/12/superhydrophilic.png</image:loc><image:title>Superhydrophilic</image:title><image:caption>Superhydrophilic coating accordin to the invention</image:caption></image:image><lastmod>2016-02-27T22:36:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/11/13/classic-pu-patent-of-the-month-non-isocyanate-polyhydroxyurethanes-by-dow-1957/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/11/nipu.png</image:loc><image:title>NIPU</image:title><image:caption>Preparation of polyhydroxyurethanes according to the invention</image:caption></image:image><lastmod>2015-12-08T15:22:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/11/20/tpu-from-asymmetric-chain-extenders/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/11/asymmetric-diol.gif</image:loc><image:title>asymmetric diol</image:title><image:caption>2,2,4,-trimethyl-1,3-pentanediol</image:caption></image:image><lastmod>2015-12-08T15:21:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/11/27/natural-oil-polyols-using-metathesis-chemistry/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/11/metathesis.png</image:loc><image:title>metathesis</image:title><image:caption>Metathesis reaction of triolein with butene</image:caption></image:image><lastmod>2015-12-08T15:21:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/07/06/polyurethane-polyamides-from-dimer-diacids/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/07/dimerdiacid.jpg</image:loc><image:title>dimerdiacid</image:title><image:caption>A C36 dimer diacid</image:caption></image:image><lastmod>2015-11-27T08:46:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/11/06/melt-dispersed-polymer-polyols/</loc><lastmod>2015-11-06T10:03:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/10/23/polyurethane-elastomers-containing-polyrotaxanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/10/polyrotaxane.png</image:loc><image:title>polyrotaxane</image:title><image:caption>Schematic presentation of a polyrotaxane</image:caption></image:image><lastmod>2015-10-23T18:58:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/10/16/tpu-from-pom-polyether-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/10/paraformaldehyde.gif</image:loc><image:title>paraformaldehyde</image:title><image:caption>Paraformaldehyde</image:caption></image:image><lastmod>2015-10-16T12:15:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/10/09/pla-pe-pu-block-copolymers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/10/l-lactide.png</image:loc><image:title>L-Lactide</image:title><image:caption>L-Lactide</image:caption></image:image><lastmod>2015-10-09T17:17:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/10/02/insulating-wood-aerogel-composites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/10/mdf1.jpg</image:loc><image:title>MDF</image:title><image:caption>Medium density fibreboard (MDF).</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/10/mdf.jpg</image:loc><image:title>MDF</image:title><image:caption>Medium density fiberboard</image:caption></image:image><lastmod>2015-10-03T11:41:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/09/25/aerogels-from-urethane-acrylate-star-monomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/09/starmonomer.png</image:loc><image:title>starmonomer</image:title><image:caption>Star monomer according to the invention</image:caption></image:image><lastmod>2015-09-25T13:11:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/09/18/hybrid-hotmelt-adhesive-with-low-free-isocyanate/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/09/mptms.png</image:loc><image:title>MPTMS</image:title><image:caption>Mercaptopropyltrimethoxysilane</image:caption></image:image><lastmod>2015-09-18T13:13:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/09/11/pu-sealants-using-michael-addition-chemistry/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/09/michael-prepolymer.png</image:loc><image:title>michael prepolymer</image:title><image:caption>Michael acceptor-terminated prepolymer preparation according to the invention</image:caption></image:image><lastmod>2015-09-13T13:13:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/09/04/cooperative-catalyst-system-for-nipu/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/09/tbd.png</image:loc><image:title>TBD</image:title><image:caption>Triazabicyclodecene.</image:caption></image:image><lastmod>2015-09-15T19:00:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/08/28/modified-polyols-for-improved-pu-adhesives/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/08/versatic-101.gif</image:loc><image:title>versatic 10</image:title><image:caption>Glycidyl ester of neodecanoic acid</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/08/versatic-10.gif</image:loc><image:title>versatic 10</image:title><image:caption>Glycidyl ester used in the invention</image:caption></image:image><lastmod>2015-08-28T09:43:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/08/21/urethane-acrylate-hybrids-from-thiol-ene-chemistry/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/08/urethane-acrylate1.png</image:loc><image:title>urethane acrylate 2</image:title><image:caption>A urethane-acrylate oligomer according to the invention</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/08/urethane-acrylate.png</image:loc><image:title>urethane acrylate</image:title><image:caption>A urethane-acrylate oligomer according to the invention</image:caption></image:image><lastmod>2015-08-21T13:34:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/08/14/shsm-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/08/da-diol.gif</image:loc><image:title>DA diol</image:title><image:caption>Diol containing a Diels-Alder adduct</image:caption></image:image><lastmod>2015-08-14T09:44:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/08/07/classic-pu-patent-of-the-month-poron-foams-1979/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/08/poron.jpg</image:loc><image:title>PORON</image:title><image:caption>PORON foams</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/08/poron-green.gif</image:loc><image:title>poron-green</image:title><image:caption>PORON in-soles.</image:caption></image:image><lastmod>2015-08-07T12:19:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/07/31/pu-rigid-foams-with-very-small-cell-size/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/07/polyurethane_insulator.jpg</image:loc><image:title>Rigid foam</image:title><image:caption>Rigid polyurethane insulation foams (Wikimedia)</image:caption></image:image><lastmod>2015-07-31T09:48:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/07/24/tpu-for-3d-printing/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/07/fdm.png</image:loc><image:title>FDM</image:title><image:caption>Fused Deposition Modeling</image:caption></image:image><lastmod>2015-07-24T10:56:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/07/17/pu-rigid-foams-from-biomass-proteins/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/07/reaction.gif</image:loc><image:title>reaction</image:title><image:caption>Reaction sequence according to the invention</image:caption></image:image><lastmod>2015-07-17T09:21:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/07/10/triptycene-chain-extenders/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/07/td.gif</image:loc><image:title>TD</image:title><image:caption>Tryptycene-1,4-hydroquinone-bis(2-hydroxyethyl ether)</image:caption></image:image><lastmod>2015-07-10T11:54:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/06/26/tpu-from-three-types-of-polyol-and-todi/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/06/todi.gif</image:loc><image:title>TODI</image:title><image:caption>3,3'-Dimethyl-4,4'-Biphenyldiisocyanate (TODI)</image:caption></image:image><lastmod>2015-06-26T09:00:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/06/19/flexible-foams-with-improved-thermal-comfort/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/06/sbs.gif</image:loc><image:title>SBS</image:title><image:caption>Poly(styrene-butadiene-styrene) or SBS.</image:caption></image:image><lastmod>2015-06-19T09:04:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/01/30/classic-pu-patent-of-the-month-otto-bayers-invention-of-polyurethane-and-polyurea-1937/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/01/otto-bayer.jpg</image:loc><image:title>Otto Bayer</image:title><image:caption>Dr. Otto Bayer (1902-1982)</image:caption></image:image><lastmod>2015-06-13T10:31:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/06/12/polyurethanes-with-reduced-aldehyde-emissions/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/06/22208-25-9.gif</image:loc><image:title>TMPTAA</image:title><image:caption>Trimethylolpropane triacetoacetate</image:caption></image:image><lastmod>2015-06-12T12:28:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/06/08/polyols-from-epoxies-and-cardanol/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/06/cardanolpolyol.gif</image:loc><image:title>cardanolpolyol</image:title><image:caption>Cardanol is reacted with bisphenol-A diglycidylether resulting in a diol according to the invention</image:caption></image:image><lastmod>2015-06-09T18:21:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/05/29/polyols-from-urethane-alcohols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/05/urethanepolyol.gif</image:loc><image:title>urethanepolyol</image:title><image:caption>A Urethane Polyol</image:caption></image:image><lastmod>2015-06-02T06:28:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/05/22/reducing-aldehyde-emissions-from-polyurethane-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/05/peha1.gif</image:loc><image:title>PEHA</image:title><image:caption>Pentaethylene hexamine</image:caption></image:image><lastmod>2015-06-12T12:46:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/04/10/polyurethane-coating-for-frac-tanks/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/04/fract-tank.jpg</image:loc><image:title>fract tank</image:title><image:caption>Frac tank.</image:caption></image:image><lastmod>2015-05-08T13:47:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/05/01/hydrophobic-thermoplastic-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/05/caprolactone.gif</image:loc><image:title>Caprolactone</image:title><image:caption>Caprolactone</image:caption></image:image><lastmod>2015-05-01T12:59:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/04/24/polyurethane-rigid-foam-containing-lignin/</loc><lastmod>2015-04-24T12:09:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/04/17/soft-high-resilience-polyurethane-elastomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/04/carbodiimide-mdi.jpg</image:loc><image:title>carbodiimide MDI</image:title><image:caption>Carbodiimide modified MDI</image:caption></image:image><lastmod>2015-04-17T12:37:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/04/06/superhydrophobic-polyurethane-coatings/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/04/glycidylmethacrylate.gif</image:loc><image:title>Glycidylmethacrylate</image:title><image:caption>Glycidylmethacrylate</image:caption></image:image><lastmod>2015-04-06T12:41:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/03/27/flexible-foams-containing-ppe-polyols/</loc><lastmod>2015-03-27T10:52:53+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/03/23/six-6-dow-patents-on-conventional-pipa-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/03/flexible-foam.gif</image:loc><image:title>flexible foam</image:title><image:caption>Flexible foam blocks</image:caption></image:image><lastmod>2015-03-23T13:12:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/03/16/classic-pu-patent-of-the-month-bayer-on-viscoelastic-flexible-foams-1988/</loc><lastmod>2015-03-16T09:43:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/03/06/particle-reinforced-thermoplastic-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/03/pps.png</image:loc><image:title>PPS</image:title><image:caption>Poly (1,4-phenylene sulfide) (PPS)</image:caption></image:image><lastmod>2015-03-06T10:28:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/02/23/now-available-for-download-innovation-in-polyurethanes-2014/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/02/front-all.gif</image:loc><image:title>front all</image:title><image:caption>" An indispensible source of information for anyone seriously interested in the advances of polyurethane science and technology"</image:caption></image:image><lastmod>2015-03-02T13:46:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/02/13/flexible-polyurethane-foams-with-improved-feel/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/02/isopropyl-myristate.png</image:loc><image:title>isopropyl myristate</image:title><image:caption>Isopropyl Myristate</image:caption></image:image><lastmod>2015-02-27T18:13:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/02/27/rigid-foams-containing-lignin/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/02/lignin.png</image:loc><image:title>lignin</image:title><image:caption>Part of a typical lignin structure</image:caption></image:image><lastmod>2015-02-27T15:20:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/02/09/supercritically-foamed-thermoplastic-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/02/nike-eva.jpg</image:loc><image:title>NIKE EVA</image:title><image:caption>Nike shoe with EVA midsole</image:caption></image:image><lastmod>2015-02-09T10:44:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/01/30/ppe-filled-rigid-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/01/index.png</image:loc><image:title>PPE</image:title><image:caption>poly(2,6-dimethyl-1,4-phenyleneether)
</image:caption></image:image><lastmod>2015-01-30T13:47:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/01/23/cross-linked-melt-spun-polyurethane-fibers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/01/pmdi.png</image:loc><image:title>pMDI</image:title><image:caption>Polymeric MDI</image:caption></image:image><lastmod>2015-01-23T10:47:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2015/01/02/tpu-from-ppe-diols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2015/01/ppe-diol.png</image:loc><image:title>PPE diol</image:title><image:caption>PPE diol used in the invention. Q5 and Q6 pare methyl.</image:caption></image:image><lastmod>2015-01-02T15:26:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/12/22/classic-pu-patent-of-the-month-polyurethane-polyurea-rim-elastomers-bayer-1976/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/12/detda.gif</image:loc><image:title>DETDA</image:title><image:caption>DETDA</image:caption></image:image><lastmod>2014-12-22T15:48:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/12/15/thermal-engine-encapsulation-with-polyurethane-foam/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/12/tee.jpg</image:loc><image:title>TEE</image:title><image:caption>Car with thermally encapsulated engine.</image:caption></image:image><lastmod>2014-12-15T19:43:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/12/08/polyurethane-ncc-composites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/12/ncc.jpg</image:loc><image:title>NCC</image:title><image:caption>Nanocrystalline cellulose "whiskers"</image:caption></image:image><lastmod>2014-12-08T10:58:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/12/01/tpu-with-crystalline-chain-ends/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/12/tpu.jpg</image:loc><image:title>TPU</image:title><image:caption>TPU pellets</image:caption></image:image><lastmod>2014-12-01T13:39:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/12/31/classic-pu-patent-of-the-month-hypersoft-flexible-foams-1971/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/12/pechiney.gif</image:loc><image:title>Pechiney</image:title><image:caption>Pechiney Logo. </image:caption></image:image><lastmod>2014-11-24T14:31:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/02/26/classic-pu-patent-of-the-month-the-first-polyether-foams-1951/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/02/otto-bayer.jpg</image:loc><image:title>Otto Bayer</image:title><image:caption>Dr. Otto Bayer</image:caption></image:image><lastmod>2014-11-24T14:30:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/03/31/classic-pu-patent-of-the-month-the-first-hypol-foams-1974/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/03/uspatent.jpg</image:loc><image:title>USpatent</image:title><image:caption>US3,903,232</image:caption></image:image><lastmod>2018-07-18T22:40:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/05/23/classic-pu-patent-of-the-month-upjohns-isoplast-1981/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/05/isoplast-screw.jpg</image:loc><image:title>isoplast screw</image:title><image:caption>Screw from reinforced Isoplast</image:caption></image:image><lastmod>2014-11-24T14:30:16+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/07/15/classic-pu-patent-of-the-month-the-first-smpus-1988/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/07/smp.jpg</image:loc><image:title>SMP</image:title><image:caption>SMP transition from temporary shape (spiral) to permanent shape (rod).  (Angew. Chem. Int. Ed. 2002, 41, 2034 ± 2057)</image:caption></image:image><lastmod>2014-11-24T14:29:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/09/01/classic-pu-patent-of-the-month-ici-on-non-isocyanate-polyurethanes-1961/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/09/ici-logo.jpg</image:loc><image:title>ici logo</image:title><image:caption>Old ICI logo.</image:caption></image:image><lastmod>2014-11-21T05:06:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/11/17/classic-pu-patent-of-the-month-ici-on-mdi-prepolymers-and-cold-cure-flexible-foams-1978/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/11/car-seat.jpg</image:loc><image:title>car seat</image:title><image:caption>Cold cure moulded car seat cushions</image:caption></image:image><lastmod>2014-11-17T14:39:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/11/10/flexible-foams-from-inverse-nop-prepolymers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/11/castor-oil.png</image:loc><image:title>Castor oil</image:title><image:caption>Castor Oil</image:caption></image:image><lastmod>2014-11-10T15:01:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/11/03/hydrophobic-coatings-from-bo-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/11/butyleneoxide.jpg</image:loc><image:title>butyleneoxide</image:title><image:caption>Butylene oxide</image:caption></image:image><lastmod>2014-11-03T13:12:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/10/20/poly-urethane-urea-elastomers-from-high-26-tdi/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/10/tgdba.png</image:loc><image:title>TGDBA</image:title><image:caption>TGDBA</image:caption></image:image><lastmod>2014-10-20T09:58:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/01/29/reticulated-foam-fiber-composites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/01/reticulated.jpg</image:loc><image:title>reticulated</image:title><image:caption>Reticulated Foams with Fibers</image:caption></image:image><lastmod>2014-10-14T18:33:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/10/14/classic-pu-patent-of-the-month-scott-paper-co-on-reticulated-polyurethane-foams-1964/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/10/reciculated.jpg</image:loc><image:title>reciculated</image:title><image:caption>Recticulate polyurethane foam</image:caption></image:image><lastmod>2014-10-14T08:27:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/10/06/steam-treated-polyisocyanurate/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/10/pir.gif</image:loc><image:title>PIR</image:title><image:caption>Isocyanurate group</image:caption></image:image><lastmod>2014-10-06T09:51:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/09/29/thermoplastic-pu-ps-graft-copolymers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/09/mdi-radical.gif</image:loc><image:title>MDI radical</image:title><image:caption>MDI radical</image:caption></image:image><lastmod>2014-09-30T06:37:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/09/22/renewable-polyurea-from-lysinol/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/09/lysinol.jpg</image:loc><image:title>lysinol</image:title><image:caption>Preparation of the two lysionol enantiomers from lysine.</image:caption></image:image><lastmod>2014-09-26T08:17:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/09/15/bio-renewable-thermoplastic-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/09/succinic-acid.gif</image:loc><image:title>succinic acid</image:title><image:caption>Succinic acid.</image:caption></image:image><lastmod>2014-09-17T09:14:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/09/08/polyester-polyol-with-pdms-backbone/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/09/pdms-polyester-polyol.jpg</image:loc><image:title>PDMS polyester polyol</image:title><image:caption>Representation of the polyester polyol according to the invention
</image:caption></image:image><lastmod>2014-09-08T12:14:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/04/25/self-crosslinking-polyhydroxyurethanes-for-imitation-leather/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/04/modif-agent.jpg</image:loc><image:title>modif agent</image:title><image:caption>"modifier" according to the invention. "Y" is the blocking agent.</image:caption></image:image><lastmod>2014-08-27T12:39:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/08/18/isocyanate-free-polyurethanes-using-azide-alkyne-click-chemistry/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/08/azide-alkyn.jpg</image:loc><image:title>azide-alkyn</image:title><image:caption>Example of an azide-alkyne reaction resulting in 1,4-disubstituded triazoles.</image:caption></image:image><lastmod>2014-08-26T14:39:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/08/25/reactive-cellopener-for-polyurethane-rigid-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/08/12-hydroxystearic_acid.gif</image:loc><image:title>12-Hydroxystearic_acid</image:title><image:caption>12-hydroxystearic acid</image:caption></image:image><lastmod>2014-08-25T12:52:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/19/non-isocyanate-pu-particles/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/particles.jpg</image:loc><image:title>particles</image:title></image:image><lastmod>2014-08-19T08:44:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/03/08/even-more-isocyanate-free-polyurethanes-this-time-from-dow/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/03/dvbdo.jpg</image:loc><image:title>DVBDO</image:title><image:caption>a divinylbenzenedioxide whcih can be turned into the dicyclocarbonate using CO2 </image:caption></image:image><lastmod>2014-08-19T08:42:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/06/11/more-isocyanate-free-polyurethanes-2/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/06/irop-reaction-sequence.jpg</image:loc><image:title>iROP reaction sequence</image:title><image:caption>Reaction sequence according to the invention</image:caption></image:image><lastmod>2014-08-19T08:38:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/08/11/hydrophobic-and-clear-thermoplastic-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/08/dimer-acid.jpg</image:loc><image:title>dimer acid</image:title><image:caption>Example of a C36 dimer acid</image:caption></image:image><lastmod>2014-08-12T15:37:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/08/04/hydrolysis-resistant-polyester-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/08/neopentylglycol.png</image:loc><image:title>neopentylglycol</image:title><image:caption>Neopentylglycol</image:caption></image:image><lastmod>2014-08-09T12:07:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/07/29/polyurethane-dispersions-with-reversible-drying/</loc><lastmod>2014-07-29T09:00:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/07/21/renewable-polyols-from-distillers-grains/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/07/ddgs.jpg</image:loc><image:title>DDGS</image:title><image:caption>Transamidation of protein with subsequent epoxidation.</image:caption></image:image><lastmod>2014-07-22T20:57:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/07/08/non-isocyanate-polyurethane-using-thiol-ene-click-chemistry/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/07/click-reaction.jpg</image:loc><image:title>click reaction</image:title><image:caption>Thiol-ene reaction followed by carbonate-amine reaction</image:caption></image:image><lastmod>2014-07-08T12:50:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/06/30/ionic-liquids-for-improved-hydrolysis-resistance-of-polyester-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/06/ionic-liquid.png</image:loc><image:title>ionic liquid</image:title><image:caption>Ionic liquid as used in the invention</image:caption></image:image><lastmod>2014-06-30T13:01:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/06/24/fuel-resistant-polyurea/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/06/formalprepolymer.jpg</image:loc><image:title>formalprepolymer</image:title><image:caption>H12MDI-thiodiglycol-polyformal adduct</image:caption></image:image><lastmod>2014-06-24T12:48:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/06/18/improved-black-insulation-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/06/carbon-black.jpg</image:loc><image:title>carbon black</image:title><image:caption>Different grades of carbon black</image:caption></image:image><lastmod>2014-06-18T14:11:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/06/09/using-pu-foams-as-a-template-for-silicone-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/06/templatefoam.jpg</image:loc><image:title>templatefoam</image:title><image:caption>A 'base foam structure' (left has been impregnated and cured with another polymer (right).</image:caption></image:image><lastmod>2014-06-09T14:45:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/06/04/monolithic-polyurethane-aerogels/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/06/aerogel.jpg</image:loc><image:title>aerogel</image:title><image:caption>A (silica) aerogel.</image:caption></image:image><lastmod>2014-06-09T11:46:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/05/27/flexible-foams-containing-plant-seeds/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/05/green-wall1.jpg</image:loc><image:title>green wall</image:title><image:caption>Example of a 'green wall' </image:caption></image:image><lastmod>2014-05-27T11:55:27+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/05/21/flexible-and-viscoelastic-foams-from-co2-based-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/05/polycarbonate.jpg</image:loc><image:title>polycarbonate</image:title><image:caption>Reaction of CO2 and PO showing various 'head-to-tail' orientations</image:caption></image:image><lastmod>2014-05-21T09:08:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/05/13/a-new-type-of-ultra-soft-thermoplastic-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/05/lubrizol.jpg</image:loc><image:title>lubrizol</image:title><image:caption>Lubrizol logo</image:caption></image:image><lastmod>2014-05-13T14:29:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/06/25/hybrid-polymer-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/06/san.gif</image:loc><image:title>SAN</image:title><image:caption>SAN</image:caption></image:image><lastmod>2014-05-08T07:24:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/05/06/flexible-foams-from-renewable-polyester-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/05/sebacic.jpg</image:loc><image:title>sebacic</image:title><image:caption>Sebacic Acid</image:caption></image:image><lastmod>2014-05-06T11:29:27+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/04/29/green-isocyanate-renewable-and-phosgene-free/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/04/isosorbide-iso.jpg</image:loc><image:title>isosorbide iso</image:title><image:caption>Di-iso derive from isosorbide according to the invention.</image:caption></image:image><lastmod>2014-04-29T09:02:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/04/21/a-new-type-of-polyurethane-memory-foam/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/04/memory-foam-blue.jpg</image:loc><image:title>memory foam blue</image:title><image:caption>Polyurethane "memory foam"</image:caption></image:image><lastmod>2014-04-21T14:42:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/04/18/highly-stable-isocyanate-dispersions/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/04/uretdione.jpg</image:loc><image:title>uretdione</image:title><image:caption>Dimerization of isocyanate to uretdion.</image:caption></image:image><lastmod>2014-04-18T13:29:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/04/07/crosslinking-tpu-with-isocyanates/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/04/tpu-cover.jpg</image:loc><image:title>TPU cover</image:title><image:caption>TPU phone case.</image:caption></image:image><lastmod>2014-04-07T11:53:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/03/25/improved-p-i-p-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/03/pip.jpg</image:loc><image:title>PIP</image:title><image:caption>Pour-in-place technique:  2: mould, 3 fabric, 7 foam forming mixture.</image:caption></image:image><lastmod>2014-03-25T13:03:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/03/17/pipa-polyol-made-from-conventional-polyol/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/03/tela.gif</image:loc><image:title>TELA</image:title><image:caption>Triethanolamine</image:caption></image:image><lastmod>2014-03-17T13:25:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/01/14/expandable-polyurethane-particles-for-insulation-panels/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/01/eps.jpg</image:loc><image:title>EPS</image:title><image:caption>Expandable Polystyrene.</image:caption></image:image><lastmod>2014-03-07T16:17:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/08/13/reducing-aldehyde-emissions-from-flexible-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/08/hdca.jpg</image:loc><image:title>HDCA</image:title><image:caption>Hydroazodicarbonamide</image:caption></image:image><lastmod>2014-03-06T08:33:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/03/04/sound-absorbing-pu-pa-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/03/azelaic_acid.gif</image:loc><image:title>Azelaic_acid</image:title><image:caption>Azelaic Acid</image:caption></image:image><lastmod>2014-03-04T13:53:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/02/18/polyurethane-combination-foam-a-tpupu-composite/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/02/etpu.jpg</image:loc><image:title>ETPU</image:title><image:caption>Expanded TPU particles by BASF</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/02/patentnumber.gif</image:loc><image:title>patentnumber</image:title></image:image><lastmod>2014-02-18T09:47:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/02/11/water-soluble-polyurethane-star-polymers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/02/star-polymer.gif</image:loc><image:title>Star Polymer</image:title><image:caption>Example of a PU star polymer.</image:caption></image:image><lastmod>2014-02-11T09:05:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/02/04/nanocomposites-from-pib-based-polyurethane-and-clay/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/02/nanocomposite.gif</image:loc><image:title>nanocomposite</image:title><image:caption>Polymer morphology model according to the invention.  (omMMT = organically modified montmorrilonite)</image:caption></image:image><lastmod>2014-02-04T14:30:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/01/27/polyurea-nano-particles-to-improve-properties-of-polyurethane-flexible-foams-and-elastomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/01/polyethermonoamine.jpg</image:loc><image:title>polyethermonoamine</image:title><image:caption>Polyethermonoamine as used in the invention.</image:caption></image:image><lastmod>2014-01-27T15:12:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/01/24/polyurethane-foam-containing-iron-particles-for-improved-oils-absorption/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/01/oil-spill.jpg</image:loc><image:title>oil spill</image:title><image:caption>Oils Spill at Sea</image:caption></image:image><lastmod>2014-01-24T11:02:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/09/12/low-viscosity-systems-for-fibre-reinforced-pu-composites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/09/composite.jpg</image:loc><image:title>composite</image:title><image:caption>Carbon Fibre Composite</image:caption></image:image><lastmod>2014-01-23T10:29:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/01/21/self-cleaning-coating-or-not/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/01/deblocking.png</image:loc><image:title>deblocking</image:title><image:caption>deblocking of the isocyanate side groups under the influence of water.</image:caption></image:image><lastmod>2014-01-21T10:25:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2014/01/07/thermoplastic-polyurethane-with-a-percisely-controlled-biodegradation-rate/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2014/01/placocapa.png</image:loc><image:title>PLAcoCAPA</image:title><image:caption>A poly(lactide-co-caprolactone)</image:caption></image:image><lastmod>2014-01-07T14:59:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/12/24/improved-nanoporous-insulation-materials/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/12/slentite.jpg</image:loc><image:title>slentite</image:title><image:caption>SLENTITE (TM) aerogel-PU insulation panel by BASF</image:caption></image:image><lastmod>2013-12-24T14:20:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/12/20/unique-type-of-polyurethane-flexible-foam-to-reduce-tyre-noise/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/12/tire.png</image:loc><image:title>tire</image:title><image:caption>Cross-section of foam-lined tire according to the invention.</image:caption></image:image><lastmod>2013-12-20T11:09:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/12/17/melt-processable-polyurea-elastomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/12/hace.jpg</image:loc><image:title>HACE</image:title><image:caption>Bi-dentate H-bonds between polurea molecules (left) dusrupted by a polycarbonate group (right)</image:caption></image:image><lastmod>2013-12-18T10:57:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/12/10/toughened-thermoplastic-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/12/golfball.jpg</image:loc><image:title>golfball</image:title><image:caption>Nike golf ball.</image:caption></image:image><lastmod>2013-12-10T14:55:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/12/03/a-simple-way-to-make-nonflammable-flexible-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/12/waterglass.gif</image:loc><image:title>waterglass</image:title><image:caption>Sodium silicate</image:caption></image:image><lastmod>2013-12-03T14:14:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/11/26/hybrid-polyurethane-epoxy-pultrusion-system/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/11/pultrusion.png</image:loc><image:title>pultrusion</image:title><image:caption>Diagram of the Putrusion Process (Wikipedia)</image:caption></image:image><lastmod>2013-11-26T14:31:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/11/22/solid-cast-polyurethane-elastomers-produced-with-a-highly-specific-switchable-catalyst/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/11/dbu.jpg</image:loc><image:title>DBU</image:title><image:caption>1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU)</image:caption></image:image><lastmod>2013-11-22T10:32:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/11/14/flexible-foams-containing-polyurethane-phase-change-gels/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/11/pugel.jpg</image:loc><image:title>PUgel</image:title><image:caption>A Polyurethane Gel</image:caption></image:image><lastmod>2013-11-14T13:12:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/11/12/incorporating-phase-change-gels-into-flexible-foams-for-improved-thermal-comfort/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/11/pcmcurve.png</image:loc><image:title>PCMcurve</image:title><image:caption>Effect of "gel PCM" on heating rate of flexible foam according to the invention.</image:caption></image:image><lastmod>2013-11-27T16:05:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/11/05/sulfur-containing-polyurethane-elastomers-for-tires-and-tweels/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/11/tweel.png</image:loc><image:title>tweel</image:title><image:caption>Michelin "tweel"</image:caption></image:image><lastmod>2013-11-05T13:32:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/10/29/very-tough-polyurethane-elastomers-based-on-a-novel-type-of-polyester-polyol/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/10/dimerdiacid.png</image:loc><image:title>dimerdiacid</image:title><image:caption>Example of a Dimer Acid</image:caption></image:image><lastmod>2013-10-29T11:05:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/10/22/polyurethane-elastomers-with-high-abrasion-resistance/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/10/polyisoprene.png</image:loc><image:title>polyisoprene</image:title><image:caption>Structural units present in polyisoprene</image:caption></image:image><lastmod>2013-10-23T12:33:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/10/15/polyurethanepolyurea-elastomers-from-24-mdi-and-mda/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/10/44-mda.gif</image:loc><image:title>4,4'-MDA</image:title><image:caption>4,4'-MDA</image:caption></image:image><lastmod>2013-10-15T12:02:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/10/08/flexible-foams-with-improved-humid-aged-properties/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/10/chloroethoxyethanol.jpg</image:loc><image:title>chloroethoxyethanol</image:title><image:caption>Chloroethoxyethanol</image:caption></image:image><lastmod>2013-10-08T13:28:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/10/01/polyurethane-prepregs-prepared-with-isosorbide/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/10/isosorbide.jpg</image:loc><image:title>isosorbide</image:title><image:caption>Isosorbide</image:caption></image:image><lastmod>2013-10-01T12:19:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/09/26/enzymatic-recycling-of-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/09/induced_fit_diagram-svg.png</image:loc><image:title>Induced_fit_diagram.svg</image:title><image:caption>Schematic representation of the enzyme catalysed reaction.</image:caption></image:image><lastmod>2013-09-26T12:46:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/09/17/controlling-the-tg-of-viscoelastic-flexible-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/09/malicacid.jpg</image:loc><image:title>malicacid</image:title><image:caption>Malic Acid</image:caption></image:image><lastmod>2013-09-17T11:38:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/04/30/aqueous-polyurethane-dispersion-with-integrated-nanoparticles/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/04/pudfilm.jpg</image:loc><image:title>PUDfilm</image:title><image:caption>Film-forming PU dispersion.</image:caption></image:image><lastmod>2013-09-03T14:14:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/09/03/polyurethane-particles-for-oil-absorption/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/09/labspraydryer.jpg</image:loc><image:title>Labspraydryer</image:title><image:caption>lab spraydryer schematic (Wikipedia)</image:caption></image:image><lastmod>2013-09-03T14:12:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/08/28/brominated-polyurethane-oligomers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/08/pbp.jpg</image:loc><image:title>PBP</image:title><image:caption>pentabromophenol</image:caption></image:image><lastmod>2013-08-28T12:14:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/08/21/can-nops-rejuvenate-hot-cure-moulding/</loc><lastmod>2013-08-21T14:16:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/07/25/improved-viscoelastic-flexible-foams-memory-foams/</loc><lastmod>2013-08-14T08:09:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/08/06/improved-cellopening-system-for-flexible-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/08/cyanoacetamide.png</image:loc><image:title>Cyanoacetamide</image:title><image:caption>2-cyanoacetamide</image:caption></image:image><lastmod>2013-08-07T19:03:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/07/30/viscoelastic-tdi-hot-cure-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/07/loss-tangent-freq.jpg</image:loc><image:title>loss tangent freq</image:title></image:image><lastmod>2014-05-13T07:04:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/07/16/over-indexed-and-crosslinkable-thermoplastic-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/07/tmpmae.jpg</image:loc><image:title>TMPMAE</image:title><image:caption>TMPME: unsaturated chain extender used in the invention</image:caption></image:image><lastmod>2013-07-16T14:15:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/07/09/polymer-polyols-with-phosphorous-containing-particles/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/07/p-polyol.jpg</image:loc><image:title>P polyol</image:title><image:caption>Phosphorous polyol as used in the invention</image:caption></image:image><lastmod>2013-07-09T14:12:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/07/02/yet-another-way-to-make-isocyanate-prepolymers-with-low-free-monomeric-diisocyanate/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/07/24-mdi.jpg</image:loc><image:title>24 mdi</image:title><image:caption>2,4'-MDI</image:caption></image:image><lastmod>2013-08-07T06:06:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/06/27/a-new-way-to-remove-monomeric-isocyanate-from-prepolymers/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/06/sio2-particles.jpg</image:loc><image:title>sio2 particles</image:title><image:caption>Porous Silica Particles</image:caption></image:image><lastmod>2013-06-27T10:00:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/06/18/rigid-polyurethane-foam-containing-expandable-particles/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/06/foam-particles.jpg</image:loc><image:title>foam particles</image:title><image:caption>fig 2 form the patent.  Large circles are expanded particles, smaal circles is filler.</image:caption></image:image><lastmod>2013-06-18T12:58:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/06/04/flexible-polyurethane-foams-with-low-voc-emission/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/06/dmapa.png</image:loc><image:title>dmapa</image:title><image:caption>DMAPA - a reactive catalysts according to the invention</image:caption></image:image><lastmod>2013-06-04T13:18:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/10/19/hello-world/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/10/pu-patents-vs-time.jpg</image:loc><image:title>PU patents vs time</image:title></image:image><lastmod>2018-08-20T03:28:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/03/12/polyurethane-elastomer-with-greatly-improved-abrasion-resistance/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/03/polybutadiene.jpg</image:loc><image:title>polybutadiene</image:title><image:caption>2,3 trans-, 1,2- and 2,3-cis butene units</image:caption></image:image><lastmod>2013-05-30T08:21:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/05/28/polyurethane-ocf-systems-with-low-monomeric-isocyanate-content/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/05/ocf.jpg</image:loc><image:title>OCF</image:title><image:caption>OCF system in pressure can.</image:caption></image:image><lastmod>2013-05-28T12:39:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/05/22/hybrid-pu-pf-rigid-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/05/novolac.jpg</image:loc><image:title>novolac</image:title><image:caption>Novolac resin</image:caption></image:image><lastmod>2013-05-27T18:59:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/05/14/polyurethane-for-precision-lenses/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/05/mxdi.gif</image:loc><image:title>mXDI</image:title><image:caption>1,3-bis(isocyanatomethyl)benzen (m-XDI)</image:caption></image:image><lastmod>2013-05-18T08:02:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/05/07/solid-polyurethane-electrolyte/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/05/battery.png</image:loc><image:title>battery</image:title><image:caption>Schematic Li-polymer battery.</image:caption></image:image><lastmod>2013-05-07T09:31:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/04/23/nanoporous-insulation/</loc><lastmod>2013-04-23T10:01:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/04/16/flexible-polyurethane-foams-for-thinner-car-seats/</loc><lastmod>2013-04-16T10:18:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/04/09/hybrid-si-pu-flexible-foams/</loc><lastmod>2013-04-09T09:47:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/04/02/polymer-polyols-based-on-castor-oil/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/04/castoroil.jpg</image:loc><image:title>castoroil</image:title><image:caption>Main Component of Castor Oil</image:caption></image:image><lastmod>2013-04-02T16:56:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/03/27/rigid-polyurethane-foam-with-very-high-amount-of-fillers/</loc><lastmod>2013-03-27T19:55:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/02/26/rigid-polyurethane-foam-from-modified-polymer-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/02/basf-monomer.jpg</image:loc><image:title>BASF monomer</image:title><image:caption>surface active monomer used in the invention</image:caption></image:image><lastmod>2013-03-26T17:13:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/03/19/making-a-better-nop-based-flexible-foam/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/03/2-cyanoguanidine.jpg</image:loc><image:title>2-cyanoguanidine</image:title><image:caption>2-cyanoguanidine</image:caption></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/03/2-cyanoguanidine.png</image:loc><image:title>2-cyanoguanidine</image:title><image:caption>2-cyanoguanidine</image:caption></image:image><lastmod>2013-03-19T13:35:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/02/19/composite-polyurethane-polystyrene-thermal-insulation-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/02/eps.jpg</image:loc><image:title>EPS</image:title><image:caption>Expandable Polystyrene (Wikimedia)</image:caption></image:image><lastmod>2013-02-20T11:30:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/02/12/viscoelastic-polyurethane-foam-with-porous-struts/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/02/struts.jpg</image:loc><image:title>struts</image:title><image:caption>Foams cells showing porous struts </image:caption></image:image><lastmod>2013-02-12T11:01:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/02/05/polyurethane-foams-from-sugar/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/02/sucrose.png</image:loc><image:title>sucrose</image:title><image:caption>Sucrose</image:caption></image:image><lastmod>2013-02-05T14:18:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/02/01/insulating-elastomer-aerogel-composites/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/02/spaceshuttle.jpg</image:loc><image:title>spaceshuttle</image:title><image:caption>Space shuttle with PU insulated cryogenic fuel tank.</image:caption></image:image><lastmod>2013-02-01T11:08:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/01/22/polyurethane-integral-skin-foam-with-improved-acoustic-properties/</loc><lastmod>2013-01-22T15:14:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/01/18/vulcanized-rubber-containing-isocyanate-modified-filler/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/01/rubber_boots.jpg</image:loc><image:title>Rubber_boots</image:title><image:caption>Vulcanized Rubber Boots (Wikipedia)</image:caption></image:image><lastmod>2013-01-18T10:08:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/01/15/tack-free-polyurethane-gels/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/01/exball.jpg</image:loc><image:title>exball</image:title><image:caption>Excercise Ball from Tack-Free PU gel</image:caption></image:image><lastmod>2013-01-15T13:32:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/01/11/more-isocyanate-free-polyurethanes/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/01/isofreepu.gif</image:loc><image:title>isofreePU</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/01/isofreepu.png</image:loc><image:title>isofreePU</image:title></image:image><lastmod>2013-01-11T11:38:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/01/08/insulating-polyurethane-foams-containing-impregnated-aerogel-particles/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/01/aerogel.jpg</image:loc><image:title>aerogel</image:title><image:caption>Aerogel (Wikipedia)</image:caption></image:image><lastmod>2013-01-08T12:06:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2013/01/04/self-healing-polyurethanes-polyureas-and-polyimides/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2013/01/selfhealing.jpg</image:loc><image:title>selfhealing</image:title></image:image><lastmod>2013-01-04T18:28:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/12/26/polyurethane-elastomers-with-very-low-glass-transition-temperature/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/12/tgs.jpg</image:loc><image:title>Tgs</image:title></image:image><lastmod>2012-12-27T12:23:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/12/21/polyurethane-memory-foam-with-improved-thermal-comfort/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/12/mattress.jpg</image:loc><image:title>mattress</image:title></image:image><lastmod>2012-12-21T16:51:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/12/20/isotactic-polyether-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/12/catalyst-ex.jpg</image:loc><image:title>catalyst ex</image:title></image:image><lastmod>2012-12-20T08:06:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/12/18/superabsorbent-polymer-particles-coated-with-polyurethane/</loc><lastmod>2012-12-18T12:53:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/12/13/polyurethane-composites-containing-isosorbide/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/12/isosorbide.png</image:loc><image:title>isosorbide</image:title></image:image><lastmod>2012-12-13T10:23:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/12/11/aromatic-isocyanates-from-biorenewables/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/12/lignin.png</image:loc><image:title>lignin</image:title><image:caption>Typical lignin structure</image:caption></image:image><lastmod>2012-12-11T11:51:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/12/06/flexible-polyurethane-foams-containing-gel-particles-an-alternative-to-memory-foams/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/12/memoryfoam.jpg</image:loc><image:title>MemoryFoam</image:title><image:caption>A viscoelastic flexible foam</image:caption></image:image><lastmod>2012-12-06T10:49:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/12/04/high-resilience-flexible-polyurethane-foams-containing-castor-oil/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/12/castor_oil1.png</image:loc><image:title>Castor_oil</image:title></image:image><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/12/castor_oil.png</image:loc><image:title>Castor_oil</image:title><image:caption>Major Component of Castor Oil</image:caption></image:image><lastmod>2012-12-04T11:33:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/10/19/pu-foam-with-bimodal-nanoporous-cell-size/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/10/bimodal.jpg</image:loc><image:title>bimodal</image:title></image:image><lastmod>2012-11-28T13:57:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/10/31/prosmising-fire-retardant-composition/</loc><lastmod>2012-11-28T13:57:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/02/template/</loc><lastmod>2012-11-28T13:57:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/02/polyurea-xerogel/</loc><lastmod>2012-11-28T13:56:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/05/protecting-coastlines-and-railway-lines-with-pu-foam/</loc><lastmod>2012-11-28T13:56:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/09/building-with-pu-instead-of-cement-2/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/masonry1.jpg</image:loc><image:title>masonry</image:title></image:image><lastmod>2012-11-28T13:56:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/12/electricity-from-sea-waves-using-thermoplastic-polyurethane/</loc><lastmod>2012-11-28T13:55:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/13/smell-free-flexible-polyurethane-foams-at-last/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/beta-cyclodextrin3d.png</image:loc><image:title>Beta-cyclodextrin3D</image:title></image:image><lastmod>2012-11-28T13:55:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/15/proppants-for-fracking/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/fracking.jpg</image:loc><image:title>Fracking</image:title><image:caption>Fracking (Wikimedia)</image:caption></image:image><lastmod>2012-11-28T13:55:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/27/polymeric-foams-from-natural-oils-no-polyurethane/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/oilchemistry.jpg</image:loc><image:title>oilchemistry</image:title></image:image><lastmod>2012-11-28T13:54:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/21/dow-on-phd-and-pipa-polyols/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/particlesize.jpg</image:loc><image:title>particlesize</image:title></image:image><lastmod>2012-11-28T13:53:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/23/polyurethane-ionomers-and-the-golf-ball-conunundrum/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/golf-balls.jpg</image:loc><image:title>golf balls</image:title></image:image><lastmod>2012-11-28T13:53:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/11/27/fords-soy-based-car-seats/</loc><image:image><image:loc>https://purpatents.com/wp-content/uploads/2012/11/soybeans.jpg</image:loc><image:title>soybeans</image:title></image:image><lastmod>2012-11-28T13:53:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com/2012/10/31/prosmising-fire-retardant-composition-2/</loc><lastmod>2012-11-06T10:17:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://purpatents.com</loc><changefreq>daily</changefreq><priority>1.0</priority><lastmod>2021-05-17T16:58:50+00:00</lastmod></url></urlset>
