Inventor · disambiguated record
Hans-Josef Laas
Also filed as: LAAS HANS J · LAAS HANS-JOSEF · LAAS HANS-JOSEF DIPL CHEM DR
89 granted patents·44 pending applications·1,287 citations·filing 1991–2024
99Inventor score
Files withCOVESTRO DEUTSCHLAND AG42BAYER AG41BAYER MATERIALSCIENCE AG20COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG14LAAS HANS-JOSEF3
Top patents by PatentIndex Score
133 records- 0198US5252696AWater-dispersible polyisocyanate mixtures, a process for their preparation and their use in two-component aqueous compositionsBAYER AG·Filed 1992·Granted Oct 12, 1993·185 cites·5 claims
- 0297US6767958B2Modified polyisocyanatesBAYER AG·Filed 2001·Granted Jul 27, 2004·88 cites·15 claims
- 0397US6426414B1Polyether-modified polyisocyanate mixtures having improved dispersibility in waterBAYER AG·Filed 1999·Granted Jul 30, 2002·129 cites·16 claims
- 0496US9926402B2Iminooxadiazinedione polyisocyanatesBAYER MATERIALSCIENCE AG·Filed 2014·Granted Mar 27, 2018·13 cites·15 claims
- 0593US10752723B2Polyisocyanurate polymer and process for the production of polyisocyanurate polymersCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Aug 25, 2020·3 cites·4 claims
- 0692US5098983APolyisocyanate mixtures, processes for their production and their use as binders for coating compositions or as reactants for compounds reactive to isocyanate groups or carboxyl groupsBAYER AG·Filed 1991·Granted Mar 24, 1992·59 cites·8 claims
- 0791US10179830B2Thioallophanate polyisocyanates containing silane groupsCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Jan 15, 2019·3 cites·14 claims
- 0890US11286331B2Hydrophilically modified polyisocyanurate plastic and process for production thereofCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 29, 2022·2 cites·14 claims
- 0990US10774239B2Scratch-resistant two-component polyurethane coatingsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Sep 15, 2020·3 cites·15 claims
- 1090US7767778B2Polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperatureBAYER MATERIALSCIENCE AG·Filed 2005·Granted Aug 3, 2010·11 cites·12 claims
- 1189US11319402B2Method for producing a polyisocyanate polymer and a polyisocyanurate plasticCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Granted May 3, 2022·2 cites·14 claims
- 1289US11286332B2Hydrophobically modified polyisocyanurate plastic and method for production thereofCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 29, 2022·2 cites·13 claims
- 1388US11279790B2Process for producing polyisocyanurate plastics by means of phosphine catalysisCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Mar 22, 2022·2 cites·9 claims
- 1488US7956209B2Polyisocyanates containing allophanate and silane groupsBAYER MATERIALSCIENCE AG·Filed 2008·Granted Jun 7, 2011·7 cites·17 claims
- 1587US9353210B2Silane functional binder with thiourethane structureBAYER MATERIALSCIENCE AG·Filed 2013·Granted May 31, 2016·5 cites·15 claims
- 1686US12331214B2Resistant 2K-PUR coatingsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Jun 17, 2025·2 cites·13 claims
- 1786US11390707B2Polyisocyanurate polymers and process for the production of polyisocyanurate polymersCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Jul 19, 2022·1 cites·12 claims
- 1886US11365277B2Ionically hydrophilized polyisocyanates, water contentCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Granted Jun 21, 2022·1 cites·13 claims
- 1986US9637506B2Isocyanatosilanes with thiourethane structureBAYER MATERIALSCIENCE AG·Filed 2013·Granted May 2, 2017·3 cites·10 claims
- 2085US7067654B2Preparation of polyisocyanates containing uretdione groupsBAYER MATERIALSCIENCE AG·Filed 2003·Granted Jun 27, 2006·14 cites·13 claims
- 2185US5847044APolyurethane powder coating compositions which have a low stoving temperatureBAYER AG·Filed 1997·Granted Dec 8, 1998·46 cites·20 claims
- 2285US5503714AChlorine-free multifunctional resins for paper finishingBAYER AG·Filed 1993·Granted Apr 2, 1996·30 cites·4 claims
- 2383US9657206B2Adhesive formulationsBAYER MATERIALSCIENCE AG·Filed 2013·Granted May 23, 2017·3 cites·8 claims
- 2483US6420478B1Binder compositions and their use in aqueous coating and adhesive compositionsBAYER AG·Filed 2000·Granted Jul 16, 2002·21 cites·15 claims
- 2582US10465034B2Crystallization stable polyester prepolymersCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Nov 5, 2019·2 cites·15 claims
- 2682US6051634AWater-dispersible or water-soluble polyurethanes as additives for building materialsBAYER AG·Filed 1998·Granted Apr 18, 2000·43 cites·4 claims
- 2781US9556304B2Binder with cyclic carbonate structuresCOVESTRO DEUTSCHLAND AG·Filed 2013·Granted Jan 31, 2017·3 cites·16 claims
- 2881US5985986AProcess for the preparation of coatings from moisture-curing coating compositionsBAYER AG·Filed 1994·Granted Nov 16, 1999·32 cites·18 claims
- 2981US5143994APolyisocyanate mixture, a process for its preparation and its use in polyurethane coating compositionsBAYER AG·Filed 1991·Granted Sep 1, 1992·29 cites·9 claims
- 3080US10717805B2Process for producing polyisocyanurate plasticsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Jul 21, 2020·1 cites·20 claims
- 3180US7919552B2Polyurethane powder lacquerBAYER MATERIALSCIENCE AG·Filed 2007·Granted Apr 5, 2011·4 cites·17 claims
- 3280US6420508B1Light-fast polyisocyanates having good solubility in non-polar solventsBAYER AG·Filed 2000·Granted Jul 16, 2002·19 cites·20 claims
- 3380US5621064AUretdione powder coating cross-linking agents having a low melt viscosityBAYER AG·Filed 1995·Granted Apr 15, 1997·35 cites·2 claims
- 3479US10590226B2Solids based on polyisocyanurate polymers produced under adiabatic conditionsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 17, 2020·1 cites·17 claims
- 3579US10472455B2Silane groups containing polyisocyanates based on 1,5-diisocyanatopentaneCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Nov 12, 2019·1 cites·17 claims
- 3679US9458318B2Polyisocyanate mixturesGRESZTA-FRANZ DOROTA·Filed 2011·Granted Oct 4, 2016·3 cites·10 claims
- 3779US8058382B2Uretdione formation in solutionRICHTER FRANK·Filed 2006·Granted Nov 15, 2011·3 cites·11 claims
- 3879US5596066ADimeric diol-modified powder coating cross-linking agents containing uretdione groupsBAYER AG·Filed 1996·Granted Jan 21, 1997·32 cites·9 claims
- 3979US5556935ACrosslinking agents for textile printing bindersBAYER AG·Filed 1995·Granted Sep 17, 1996·38 cites·3 claims
- 4079US5464921APolyisocyanate mixtures, a process for their production and their use for the production of polyurethanesBAYER AG·Filed 1993·Granted Nov 7, 1995·17 cites·1 claims
- 4178US7151151B2Preparation of polyisocyanates containing uretdione groupsBAYER MATERIALSCIENCE AG·Filed 2004·Granted Dec 19, 2006·13 cites·6 claims
- 4278US5237058APolyisocyanates containing uretdione and/or isocyanurate groups, a process for their productionBAYER AG·Filed 1991·Granted Aug 17, 1993·23 cites·10 claims
- 4377US5473011APolyisocyanate mixtures, a process for their preparation and their use as cross-linking agents in coating compositionsBAYER AG·Filed 1992·Granted Dec 5, 1995·22 cites·6 claims
- 4475US2025163207A1Blocked polyisocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2024·Application pending·0 cites
- 4574US6777523B1Highly functional polyisocyanate mixtures which are dispersible in waterBAYER AG·Filed 2000·Granted Aug 17, 2004·11 cites·12 claims
- 4674US6007619AUse of nonionic, water-dispersible polyisocyanates as concrete additivesBAYER AG·Filed 1997·Granted Dec 28, 1999·32 cites·12 claims
- 4774US5750629AUretdione diisocyanates and a process for their productionBAYER AG·Filed 1997·Granted May 12, 1998·17 cites·20 claims
- 4873US6583215B2Aqueous 2-component PU systemsBAYER AG·Filed 2001·Granted Jun 24, 2003·12 cites·18 claims
- 4973US5786419APowder coating composition and its use for the preparation of matte coatingsBAYER AG·Filed 1996·Granted Jul 28, 1998·34 cites·20 claims
- 5073US2021017322A1Uretdione-containing polyurethane-dispersions comprising hydrophilic groupsCOVESTRO DEUTSCHLAND AG·Filed 2019·Application pending·0 cites
Showing the top 50 of 133 patent records by PatentIndex Score.
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