Inventor · disambiguated record
Burkhard Kohler
Also filed as: KOEHLER BURKHARD · KOEHLER BURKHARD DR · KOHLER BURKHARD · Köhler Burkhard
111 granted patents·27 pending applications·886 citations·filing 1989–2019
99Inventor score
Files withBAYER AG81BAYER MATERIALSCIENCE AG19COVESTRO DEUTSCHLAND AG9ADHESYS MEDICAL GMBH3Gürtler Christoph3
Top patents by PatentIndex Score
138 records- 0194US7754782B2Medical adhesives for surgeryBAYER MATERIALSCIENCE AG·Filed 2008·Granted Jul 13, 2010·29 cites·11 claims
- 0291US5654383APolyarylene sulfides reduced in viscosity by aftertreatment with disulfidesBAYER AG·Filed 1994·Granted Aug 5, 1997·49 cites·9 claims
- 0391US5304400AProcess for coating heat resistant substrates with two component stoving compositionsBAYER AG·Filed 1992·Granted Apr 19, 1994·57 cites·5 claims
- 0488US7253252B2Water-soluble aspartateBAYER MATERIALSCIENCE AG·Filed 2005·Granted Aug 7, 2007·8 cites·11 claims
- 0586US5786440AMixtures of cyclic oligocarbonates and their manufactureBAYER AG·Filed 1997·Granted Jul 28, 1998·39 cites·7 claims
- 0685US9260562B2Method for producing polycarbonate polyols by the immortal polymerization of cyclic carbonatesMÜLLER THOMAS ERNST·Filed 2011·Granted Feb 16, 2016·5 cites·14 claims
- 0784US10526484B2Dithiocarbonate containing polyols as polymer polyol stabilizersCOVESTRO LLC·Filed 2017·Granted Jan 7, 2020·1 cites·8 claims
- 0884US5868938AChiral stationary phases for chromatographic separation of optical isomersBAYER AG·Filed 1996·Granted Feb 9, 1999·52 cites·9 claims
- 0984US5650456ACoumarin derivatives, a method of preparing them and their use as intermediatesBAYER AG·Filed 1996·Granted Jul 22, 1997·30 cites·12 claims
- 1083US9382417B2Process for the preparation of polyether carbonate polyolsGürtler Christoph·Filed 2011·Granted Jul 5, 2016·3 cites·15 claims
- 1183US7285331B1Ultraphobic surfaceQIAGEN GMBH·Filed 1999·Granted Oct 23, 2007·52 cites·27 claims
- 1282US10385167B2Process for the synthesis of polyoxazolidinone compounds with high stabilityCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Aug 20, 2019·2 cites·19 claims
- 1382US6664342B1Polycarbonates containing aspartic acid-ester functional siliconesBAYER AG·Filed 2000·Granted Dec 16, 2003·18 cites·10 claims
- 1481US9708446B2Cross-linking of polyether carbonate polyols containing double-bonds, by adding mercapto-compoundsCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Jul 18, 2017·2 cites·17 claims
- 1581US8110621B2Castor oil-based polyol emulsionsKOHLER BURKHARD·Filed 2009·Granted Feb 7, 2012·6 cites·5 claims
- 1680US10117963B2Medical adhesives for stopping heavy bleeding and sealing leakagesADHESYS MEDICAL GMBH·Filed 2017·Granted Nov 6, 2018·2 cites·12 claims
- 1780US9764058B2Medical adhesives for stopping heavy bleeding and sealing leakagesHECKROTH HEIKE·Filed 2009·Granted Sep 19, 2017·3 cites·12 claims
- 1880US9309356B2Method for activating double metal cyanide catalysts for the production of polyether carbonate polyolsMÜLLER THOMAS ERNST·Filed 2012·Granted Apr 12, 2016·3 cites·15 claims
- 1980US7214302B1Method and device for moving and placing liquid drops in a controlled mannerSUNYX SURFACE NANOTECHNOLOGIES·Filed 2000·Granted May 8, 2007·45 cites·8 claims
- 2080US5693722AMethod for modifying the backbone of polymeric resinsBAYER AG·Filed 1996·Granted Dec 2, 1997·34 cites·7 claims
- 2179US10179835B2Radical crosslinking of polyether carbonate polyols that have electron-poor and electron-rich double bondsCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted Jan 15, 2019·2 cites·9 claims
- 2279US7101945B2Phosphorus-containing polymers for optical signal transducersBAYER AG·Filed 2002·Granted Sep 5, 2006·21 cites·31 claims
- 2379US5750602AFlameproofed polycarbonate/ABS blends resistant to stress crackingBAYER AG·Filed 1996·Granted May 12, 1998·42 cites·12 claims
- 2473US11149145B2Dithiocarbonate containing polyols as polymer polyol stabilizersCOVESTRO LLC·Filed 2019·Granted Oct 19, 2021·0 cites·10 claims
- 2572US5545692APolyesters of dimer fatty acid and dimer fatty diol and their use for the production of polyester carbonatesBAYER AG·Filed 1995·Granted Aug 13, 1996·23 cites·7 claims
- 2671US10722609B2Medical adhesives for stopping heavy bleeding and sealing leakagesADHESYS MEDICAL GMBH·Filed 2019·Granted Jul 28, 2020·0 cites·12 claims
- 2771US7923574B2PrepolymersBAYER MATERIALSCIENCE AG·Filed 2009·Granted Apr 12, 2011·2 cites·13 claims
- 2871US6485836B2Composite material comprising polyurethane and at least one thermoplastic plastics material, a process for the production thereof and the use thereof in motor vehiclesBAYER AG·Filed 2000·Granted Nov 26, 2002·11 cites·6 claims
- 2968US7410810B2Assay based on doped nanoparticlesBAYER TECHNOLOGY SERVICES GMBH·Filed 2002·Granted Aug 12, 2008·9 cites·58 claims
- 3066US7344895B2Production and use of in situ-modified nanoparticlesBAYER TECHNOLOGY SERVICES GMBH·Filed 2003·Granted Mar 18, 2008·12 cites·11 claims
- 3165US6962953B2Aqueous secondary dispersionsBAYER AG·Filed 2002·Granted Nov 8, 2005·6 cites·11 claims
- 3265US5093397AMixtures of polyarylene sulphides, nitroarylketo compounds, electron rich aromatic compounds, glass fibres and optionally other fillersBAYER AG·Filed 1991·Granted Mar 3, 1992·14 cites·1 claims
- 3364US2010022706A1Polyurethanes filled with carbon black and with a high dielectric constant breakdown strengthBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 3463US10391198B2Medical adhesives for stopping heavy bleeding and sealing leakagesADHESYS MEDICAL GMBH·Filed 2018·Granted Aug 27, 2019·0 cites·12 claims
- 3563US5240988AMixtures of polyarylene sulfides, crosslinking agents containing nitro groups and glass fibersBAYER AG·Filed 1990·Granted Aug 31, 1993·13 cites·4 claims
- 3662US7134466B2Crosslinked rubber particles modified by amino(meth)acrylate groupsBAYER AG·Filed 2004·Granted Nov 14, 2006·2 cites·3 claims
- 3762US5256702AMethod of foaming thermoplastic polycarbonateBAYER AG·Filed 1993·Granted Oct 26, 1993·16 cites·5 claims
- 3861US6472479B1Sulfonated bead polymers prepared from styrene, vinylpyridines, and crosslinkersBAYER AG·Filed 2000·Granted Oct 29, 2002·5 cites·5 claims
- 3961US2011245351A1Medical adhesive for surgeryBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 4060US2010034861A1Dispersions of nanoureas comprising biologically active compoundsBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 4159US2008188615A1Polyurethanes filled with carbon black and with a high dielectric constant and breakdown strengthBAYER MATERIALSCIENCE AG·Filed 2008·Application pending·0 cites
- 4258US10167364B2Process for preparing polycarbonates by transesterifying dithiocarbonates or selenium analogues thereof with bisphenolsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Jan 1, 2019·0 cites·15 claims
- 4358US5126429AFlexible polyamide from dimer acid and bis-secondary diamineBAYER AG·Filed 1991·Granted Jun 30, 1992·10 cites·3 claims
- 4457US7947863B2Hydrogels of hydrophilic polyurethane (meth)acrylatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted May 24, 2011·0 cites·10 claims
- 4557US4952624APolyarylene sulfide mixtures with reduced radical formation under highly accelerated weatheringBAYER AG·Filed 1989·Granted Aug 28, 1990·10 cites·5 claims
- 4656US9957354B2Higher functional polyether carbonate polyols obtained using branching moleculesCOVESTRO DEUTSCHLAND AG·Filed 2014·Granted May 1, 2018·0 cites·16 claims
- 4756US7371463B2Sol-gel coating from water-soluble oxalamidesBAYER MATERIALSCIENCE AG·Filed 2005·Granted May 13, 2008·1 cites·20 claims
- 4855US5891975A(Co)polymers based on vinyl units and use thereof in electroluminescent devicesBAYER AG·Filed 1996·Granted Apr 6, 1999·13 cites·15 claims
- 4955US5656684ASilanes containing oxalamide functional groups and their use as plastics additivesBAYER AG·Filed 1996·Granted Aug 12, 1997·6 cites·3 claims
- 5055US2008044474A1Dispersions of nanoureas comprising biologically active compoundsBAYER MATERIALSCIENCE AG·Filed 2007·Application pending·0 cites
Showing the top 50 of 138 patent records by PatentIndex Score.
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