Inventor · disambiguated record
Jan Weikard
Also filed as: WEIKARD JAN
56 granted patents·24 pending applications·595 citations·filing 1999–2025
98Inventor score
Files withBAYER MATERIALSCIENCE AG21BAYER AG18COVESTRO DEUTSCHLAND AG14COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG7WEIKARD JAN5
Top patents by PatentIndex Score
80 records- 0196US7381785B2Preparation of new radiation-curing bindersBAYER MATERIALSCIENCE AG·Filed 2005·Granted Jun 3, 2008·39 cites·13 claims
- 0294US7361723B2Low-viscosity allophanates containing actinically curable groupsBAYER MATERIALSCIENCE AG·Filed 2005·Granted Apr 22, 2008·18 cites·8 claims
- 0394US6323254B1UV-curable binders and their use for production of high gloss coatingsBAYER AG·Filed 2000·Granted Nov 27, 2001·48 cites·9 claims
- 0492US8202618B2Radiation-curing binders and a process for their preparationWEIKARD JAN·Filed 2010·Granted Jun 19, 2012·8 cites·9 claims
- 0592US7666970B2Radiation-curing binders and a process for their preparationBAYER MATERIALSCIENCE AG·Filed 2005·Granted Feb 23, 2010·11 cites·10 claims
- 0691US6753394B2Radiation-hardening coating compositionsBAYER AG·Filed 2002·Granted Jun 22, 2004·45 cites·8 claims
- 0791US6465539B1Elastic coating system comprising UV-curable urethane (meth)acrylates containing isocyanate groups and its useBAYER AG·Filed 2000·Granted Oct 15, 2002·38 cites·11 claims
- 0890US11286331B2Hydrophilically modified polyisocyanurate plastic and process for production thereofCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 29, 2022·2 cites·14 claims
- 0990US11230522B2Polyaspartic 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
- 1090US10774239B2Scratch-resistant two-component polyurethane coatingsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Sep 15, 2020·3 cites·15 claims
- 1190US6541536B2Polyurethane dispersionsBAYER AG·Filed 2001·Granted Apr 1, 2003·34 cites·5 claims
- 1289US11286332B2Hydrophobically modified polyisocyanurate plastic and method for production thereofCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Mar 29, 2022·2 cites·13 claims
- 1389US6521702B1Aqueous polyurethane emulsionsBAYER AG·Filed 2000·Granted Feb 18, 2003·41 cites·17 claims
- 1488US7981987B2Aromatic urethane acrylates having a high refractive indexBAYER MATERIALSCIENCE AG·Filed 2008·Granted Jul 19, 2011·11 cites·10 claims
- 1588US7960446B2Low-viscosity allophanates containing actinically curable groupsBAYER MATERIALSCIENCE AG·Filed 2008·Granted Jun 14, 2011·7 cites·12 claims
- 1688US7902315B2Low viscosity allophanates containing actinically curable groupsBAYER MATERIALSCIENCE AG·Filed 2005·Granted Mar 8, 2011·7 cites·10 claims
- 1788US7700662B2Process for preparing allophanate-containing actinically curable polyurethane prepolymers with increased resistanceBAYER MATERIALSCIENCE AG·Filed 2007·Granted Apr 20, 2010·9 cites·12 claims
- 1887US6500876B2Coating composition containing UV-curable urethane (meth)acrylates containing isocyanate groups and urethane (meth)acrylates containing hydroxyl groupsBAYER AG·Filed 2001·Granted Dec 31, 2002·26 cites·8 claims
- 1986US10815330B2Thermolatently catalysed two-component systemCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Oct 27, 2020·2 cites·19 claims
- 2085US8231976B2Block-resistant, radiation-curable coating systems based on high molecular mass, aqueous polyurethane dispersionsSOMMER STEFAN·Filed 2009·Granted Jul 31, 2012·6 cites·15 claims
- 2185US6555597B1Pulverent binders for powder coating compositions containing oligo- and polyurethanes having (meth)acryloyl groupsBAYER AG·Filed 2000·Granted Apr 29, 2003·23 cites·3 claims
- 2284US7659425B2Process for preparing hydroxyalkyl(meth) acrylates using Lewis acid catalystsBAYER MATERIALSCIENCE AG·Filed 2006·Granted Feb 9, 2010·5 cites·19 claims
- 2384US7144955B2Acrylate-functional blocked polyisocyanate resin for UV/thermally curable coatingsBAYER MATERIALSCIENCE AG·Filed 2003·Granted Dec 5, 2006·23 cites·13 claims
- 2483US8604097B2Low viscosity allophanates containing actinically curable groupsWEIKARD JAN·Filed 2011·Granted Dec 10, 2013·3 cites·10 claims
- 2583US7754827B2Coated filmsBAYER MATERIALSCIENCE AG·Filed 2007·Granted Jul 13, 2010·5 cites·2 claims
- 2683US6599955B1Radiation-curable urethane acrylates containing iso-cyanate groups and their useBAYER AG·Filed 2000·Granted Jul 29, 2003·20 cites·5 claims
- 2780US6710120B2Polyurethane dispersions based on fatty acid dialkanolamidesBAYER AG·Filed 2003·Granted Mar 23, 2004·17 cites·20 claims
- 2880US6191181B1Urethane acrylates and their use in coating compositionsBAYER AG·Filed 1999·Granted Feb 20, 2001·39 cites·3 claims
- 2977US6960639B2Radiation-curing coating compositionsBAYER AG·Filed 2003·Granted Nov 1, 2005·13 cites·17 claims
- 3075US6790485B2Process for coating substratesBAYER AG·Filed 2001·Granted Sep 14, 2004·13 cites·8 claims
- 3174US2025263578A1Novel two-component clear-coat systems comprising polyaspartic acid esterCOVESTRO DEUTSCHLAND AG·Filed 2025·Application pending·0 cites
- 3270US12338360B2Two-component clear coat systems comprising polyaspartic acid esterCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Jun 24, 2025·0 cites·8 claims
- 3370US9255067B2Process for preparing low-viscosity allophanates containing actinically curable groupsLUDEWIG MICHAEL·Filed 2005·Granted Feb 9, 2016·1 cites·12 claims
- 3470US6809126B2Solid, radiation-curing powder coating binders and a process for preparing the sameBAYER AG·Filed 2002·Granted Oct 26, 2004·10 cites·18 claims
- 3569US6569944B2Process for preparing urethanes containing (meth)-acryloyl groups as binders for powder coatingsBAYER AG·Filed 2001·Granted May 27, 2003·8 cites·6 claims
- 3667US8980970B2Radiation-curing binders and a process for their preparationWEIKARD JAN·Filed 2005·Granted Mar 17, 2015·1 cites·19 claims
- 3766US6150458AProcess for preparing esters of (meth) acrylic acidBAYER AG·Filed 1999·Granted Nov 21, 2000·31 cites·16 claims
- 3863US2024199787A1Method for the production of an isocyanate-group terminated polyoxazolidinone compositionCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 3962US8933146B2Process for producing hard coating systems based on aqueous polyurethane dispersionsSOMMER STEFAN·Filed 2008·Granted Jan 13, 2015·3 cites·20 claims
- 4061US2024294797A1Coating Compositions and Coatings Obtainable Therefrom Having Improved Soiling Resistances and (Self-) Cleaning PropertiesKavestro Deutschland AG·Filed 2022·Application pending·0 cites
- 4161US2024101879A1Storage-Stable 1K Spray Adhesives Based on Polyurethane DispersionsCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 4260US10428174B2Polyisocyanate mixture based on 1,5-diisocyanatopentaneCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Oct 1, 2019·0 cites·20 claims
- 4360US9057003B2Process for the preparation of low-viscosity, water-emulsifiable allophanates with radiation-curable groupsALLNEX IP SARL·Filed 2012·Granted Jun 16, 2015·0 cites·10 claims
- 4460US6787627B2Aqueous coating compositions based on epoxybutene polyethersBAYER AG·Filed 2003·Granted Sep 7, 2004·4 cites·25 claims
- 4560US2024294798A1Coating Agents and Coatings That Are Obtainable Therefrom and Have Improved Resistance to Soiling and (Self-) Cleaning PropertiesCOVESTRO DEUTSCHLAND AG·Filed 2022·Application pending·0 cites
- 4659US2024076439A1Composition Comprising Epoxy-Functional OxazolidinoneCOVESTRO DEUTSCHLAND AG·Filed 2021·Application pending·0 cites
- 4758US7553906B2Dual cure systemsBAYER MATERIALSCIENCE AG·Filed 2003·Granted Jun 30, 2009·4 cites·14 claims
- 4858US7323532B2Low-viscosity radiation-curing and thermally curing polyisocyanatesBAYER MATERIALSCIENCE AG·Filed 2003·Granted Jan 29, 2008·7 cites·16 claims
- 4957US9988485B2Process for preparing low-viscosity allophanates containing actinically curable groupsALLNEX IP S AR L·Filed 2015·Granted Jun 5, 2018·0 cites·15 claims
- 5057US2009269568A1Deformable film with radiation-curing coating and shaped articles produced therefromBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
Showing the top 50 of 80 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →