Assignee
COVESTRO DEUTSCHLAND AG
DE·482 granted patents·445 pending applications·455 citations·filing 2012–2025
Top patents by PatentIndex Score
927 records- 0198US11413854B2Multi-layer film with improved modulus propertiesCOVESTRO DEUTSCHLAND AG·Filed 2020·Granted Aug 16, 2022·4 cites·13 claims
- 0298US10864708B2Multi-layer film with improved modulus propertiesCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Dec 15, 2020·13 cites·17 claims
- 0397US10449714B2Process for producing an object from a precursor and use of a free-radically crosslinkable resin in an additive manufacturing processCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Oct 22, 2019·10 cites·12 claims
- 0496US10106641B2Mixtures of polyether carbonate polyols and polyether polyols for producing polyurethane soft foamsCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Oct 23, 2018·18 cites·15 claims
- 0595US10398236B2Porous body, additive manufacturing method for the body and apparatus for supporting and/or bearing a personCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Sep 3, 2019·21 cites·25 claims
- 0695US10035884B2Polysiloxane-polycarbonate block cocondensates with improved rheological propertiesCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Jul 31, 2018·6 cites·15 claims
- 0795US9850338B2Process for isocyanate modification using spirocyclic ammonium salts as catalystCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Dec 26, 2017·5 cites·18 claims
- 0895US9593199B2Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2013·Granted Mar 14, 2017·11 cites·15 claims
- 0994US10174151B2Method for producing polyether carbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Jan 8, 2019·4 cites·15 claims
- 1093US10752723B2Polyisocyanurate polymer and process for the production of polyisocyanurate polymersCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Aug 25, 2020·3 cites·4 claims
- 1193US10358526B2Moisture-curing polyether carbonate containing alkoxysilyl groupsCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Jul 23, 2019·4 cites·15 claims
- 1293US10286635B2Multi-layer film with improved modulus propertiesCOVESTRO DEUTSCHLAND AG·Filed 2013·Granted May 14, 2019·14 cites·19 claims
- 1392US10125091B2Process for preparation of di- and polyamines of the diphenylmethane seriesCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Nov 13, 2018·7 cites·12 claims
- 1492US10001703B2Photopolymer formulation for production of holographic media comprising borates with low TGCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Jun 19, 2018·8 cites·14 claims
- 1592US9969879B2Copolycarbonate compositions with branch structures and linear oligomers and improved rheological propertiesCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted May 15, 2018·4 cites·15 claims
- 1692US9804490B2Holographic media with improved light sensitivityCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Oct 31, 2017·8 cites·17 claims
- 1792US9617417B2Impact-modified polycarbonate compositions having a good combination of natural color, hydrolytic stability and melt stabilityCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Apr 11, 2017·4 cites·19 claims
- 1891US11702381B1Method for operating a rectification columnCOVESTRO DEUTSCHLAND AG·Filed 2022·Granted Jul 18, 2023·5 cites·15 claims
- 1991US11130842B2Process for the preparation of polyether polyolsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Sep 28, 2021·2 cites·12 claims
- 2091US11027312B2Transparently coated polycarbonate component, its production and useCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Jun 8, 2021·3 cites·20 claims
- 2191US10207424B2Mixing elements having an improved dispersing effectCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Feb 19, 2019·4 cites·18 claims
- 2291US10179830B2Thioallophanate polyisocyanates containing silane groupsCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Jan 15, 2019·3 cites·14 claims
- 2391US10093772B2Process for the production of polyoxymethylene block copolymersCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Oct 9, 2018·3 cites·10 claims
- 2490US11286331B2Hydrophilically modified polyisocyanurate plastic and process for production thereofCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 29, 2022·2 cites·14 claims
- 2590US11230522B2Polyaspartic acid ester compositions which contain polyaspartic acid esters with primary amino groups and small amounts of fumaric acid dialkyl estersCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Jan 25, 2022·4 cites·6 claims
- 2690US11091584B2Blocked polyisocyanate composition based on pentamethylene 1,5-diisocyanateCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Aug 17, 2021·3 cites·12 claims
- 2790US10774239B2Scratch-resistant two-component polyurethane coatingsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Sep 15, 2020·3 cites·15 claims
- 2890US10683403B2Polyurethane composite material and process of preparing sameCOVESTRO DEUTSCHLAND AG·Filed 2019·Granted Jun 16, 2020·3 cites·6 claims
- 2990US10344130B2Polyurethane composite material and process of preparing sameCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Jul 9, 2019·4 cites·28 claims
- 3090US10125090B2Process for preparation of di- and polyamines of the diphenylmethane seriesCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Nov 13, 2018·4 cites·10 claims
- 3189US11512181B2Laser beam-permeable substrate material for use on sensorsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Nov 29, 2022·2 cites·15 claims
- 3289US11286332B2Hydrophobically modified polyisocyanurate plastic and method for production thereofCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 29, 2022·2 cites·13 claims
- 3389US11000976B2Method for producing an optical cast body having a holographic optical element, and optical cast bodyCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted May 11, 2021·5 cites·13 claims
- 3489US10806208B2Method for producing 3D objectsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Oct 20, 2020·7 cites·13 claims
- 3589US10676613B2Poycarbonate compositions containing isosorbide diestersCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Jun 9, 2020·2 cites·9 claims
- 3689US10662581B2Method for the partial coloring of plastic partsCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted May 26, 2020·4 cites·13 claims
- 3789US10241402B2Naphthyl acrylates as writing monomers for photopolymersCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Mar 26, 2019·3 cites·15 claims
- 3889US9815965B2Method for producing polyether carbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Nov 14, 2017·4 cites·10 claims
- 3988US11279790B2Process for producing polyisocyanurate plastics by means of phosphine catalysisCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Mar 22, 2022·2 cites·9 claims
- 4088US11236191B2Method for producing a polyisocyanurate composite materialCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Feb 1, 2022·2 cites·19 claims
- 4188US10836076B2Process for extruding plastic compositionsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Nov 17, 2020·2 cites·22 claims
- 4288US10577311B2Method for producing isocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 3, 2020·5 cites·17 claims
- 4388US10294198B2Method for producing xylylene diisocyanates in the gaseous phaseCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted May 21, 2019·3 cites·12 claims
- 4488US10253134B2Rigid PUR/PIR foams of isopropylidenediphenol-based polyethersCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Apr 9, 2019·2 cites·15 claims
- 4587US12194768B2Layer structure with engraving as visible security elementCOVESTRO DEUTSCHLAND AG·Filed 2021·Granted Jan 14, 2025·2 cites·13 claims
- 4687US11530290B2Method for producing a polyisocyanurate composite materialCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Dec 20, 2022·2 cites·17 claims
- 4787US11111380B2Composition and thermoplastic molding compound having good notch impact strength and improved melt stabilityCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Sep 7, 2021·2 cites·17 claims
- 4887US9754084B2Method for selecting photoinitiator systemsCOVESTRO DEUTSCHLAND AG·Filed 2013·Granted Sep 5, 2017·6 cites·8 claims
- 4987US9718917B2Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2013·Granted Aug 1, 2017·4 cites·17 claims
- 5086US11447594B2Translucent polyurethane or polyisocyanurate foamsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Sep 20, 2022·2 cites·14 claims
Showing the top 50 of 927 patent records by PatentIndex Score.
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