Inventor · disambiguated record
Gerardus De Keyzer
Also filed as: DE KEYZER GERARDUS · DE KEYZER GERARDUS C M
32 granted patents·8 pending applications·255 citations·filing 1990–2020
96Inventor score
Top patents by PatentIndex Score
40 records- 0190US6444807B1Substituted phthalocyanineCIBA SC HOLDING AG·Filed 1999·Granted Sep 3, 2002·58 cites·7 claims
- 0288US9406848B2Color converterKOENEMANN MARTIN·Filed 2012·Granted Aug 2, 2016·6 cites·23 claims
- 0388US8610998B2Coloured organic electrophoretic particlesBAISCH GABRIELE·Filed 2007·Granted Dec 17, 2013·22 cites·29 claims
- 0487US10230023B2Color converterBASF SE·Filed 2016·Granted Mar 12, 2019·3 cites·3 claims
- 0586US5079214APatterned receiver for color filter arrayEASTMAN KODAK CO·Filed 1990·Granted Jan 7, 1992·55 cites·21 claims
- 0685US6524382B1Pigmented vitreous materialCIBA SC HOLDING AG·Filed 2000·Granted Feb 25, 2003·23 cites·7 claims
- 0784US8270063B2Encapsulated dispersions comprising electrophoretically mobile organic colorantsFONTANA MARGHERITA·Filed 2008·Granted Sep 18, 2012·8 cites·14 claims
- 0882US9236535B2Illumination devicesWAGENBLAST GERHARD·Filed 2012·Granted Jan 12, 2016·5 cites·19 claims
- 0981US9711665B2Color convertersWAGENBLAST GERHARD·Filed 2012·Granted Jul 18, 2017·8 cites·9 claims
- 1078US6544325B2Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising itCIBA SC HOLDING AG·Filed 2001·Granted Apr 8, 2003·11 cites·40 claims
- 1174US9057020B2Black dichroic dyeBACHER JEAN-PIERRE·Filed 2011·Granted Jun 16, 2015·3 cites·18 claims
- 1267US7786313B2Heat-stable diketopyrrolopyrrole pigment mixturesCIBA SC HOLDING AG·Filed 2008·Granted Aug 31, 2010·1 cites·9 claims
- 1366US7279514B2High-molecular-weight polymeric material comprising diketopyrrolopyrrole pigmentsCIBA SC HOLDING AG·Filed 2003·Granted Oct 9, 2007·6 cites·13 claims
- 1464US9575230B2Color filter for low temperature applicationsDE KEYZER GERARDUS·Filed 2011·Granted Feb 21, 2017·1 cites·10 claims
- 1563US6010567ABlack-pigmented structured high molecular weight materialCIBA SC HOLDING AG·Filed 1998·Granted Jan 4, 2000·7 cites·23 claims
- 1659US8040592B2Encapsulated dispersions comprising electrophoretically mobile organic colorantsBASF SE·Filed 2007·Granted Oct 18, 2011·1 cites·14 claims
- 1759US7417154B2Heat-stable diketopyrrolopyrrole pigment mixturesCIBA SC HOLDING AG·Filed 2004·Granted Aug 26, 2008·2 cites·9 claims
- 1858US10690825B2Color filter for low temperature applicationsBASF SE·Filed 2017·Granted Jun 23, 2020·0 cites·10 claims
- 1958US7723530B2Use of polymerisable diketopyrrolopyrroles in colour filtersCIBA SC HOLDING AG·Filed 2008·Granted May 25, 2010·0 cites·8 claims
- 2055US8669026B2Black matrix for colour filtersSUELTEMEYER JAN·Filed 2009·Granted Mar 11, 2014·1 cites·8 claims
- 2155US6471765B2Dispersant compositions improving the heat stability of transparent pigmentsCIBA SC HOLDING AG·Filed 2001·Granted Oct 29, 2002·2 cites·27 claims
- 2253US6858073B2Pigmented vitreous materialCIBA SC HOLDING AG·Filed 2004·Granted Feb 22, 2005·0 cites·26 claims
- 2353US6756487B2Monoazoquinolone pigments, process for their preparation and their useCIBA SC HOLDING AG·Filed 2001·Granted Jun 29, 2004·3 cites·14 claims
- 2450US2016084477A1Novel illumination devicesBASF SE·Filed 2015·Application pending·0 cites
- 2548US8927182B2Photosensitive resist composition for color filters for use in electronic paper display devicesHÖLZLE DANIEL·Filed 2007·Granted Jan 6, 2015·1 cites·9 claims
- 2648US5157527ADevice comprising a color filter and top coatPHILIPS CORP·Filed 1991·Granted Oct 20, 1992·16 cites·17 claims
- 2748US2020165479A1Electrophoretic ink providing bistabilityBASF SE·Filed 2018·Application pending·0 cites
- 2847US6165681ABlack-pigmented structured high molecular weight materialCIBA SC HOLDING AG·Filed 1999·Granted Dec 26, 2000·3 cites·12 claims
- 2946US12122919B2Dichroic azo-azomethine dyes for liquid crystal compositionsBASF SE·Filed 2020·Granted Oct 22, 2024·0 cites·14 claims
- 3046US8993202B2Color filter for low temperature applicationsDE KEYZER GERARDUS·Filed 2011·Granted Mar 31, 2015·0 cites·14 claims
- 3146US2019233662A1Electrophoretic ink providing coloured and transparent statesBASF SE·Filed 2017·Application pending·0 cites
- 3245US2021277251A1Red pigment composition for color filterBASF SE·Filed 2019·Application pending·0 cites
- 3345US2003105321A1Substituted phthalocyanineFiled 2002·Application pending·0 cites
- 3444US2010317819A1Surface-modified nanoparticles comprising a cationic colorant for use in color filtersCIBA GEIGY CORP·Filed 2008·Application pending·0 cites
- 3542US2005255391A1Polymerisable diketopyrrolopyrroles, use of such compounds in colour filters and polymers prepared from these compoundsADAM JEAN-MARIE·Filed 2003·Application pending·0 cites
- 3641US2005003135A1Compositions comprising at least one oxonol dye and at least one metal complexFiled 2002·Application pending·0 cites
- 3739US6423839B1Mixed color pigment precursors and their useCIBA SC HOLDING AG·Filed 2000·Granted Jul 23, 2002·0 cites·11 claims
- 3838US5231524AMethod of manufacturing a top coatPHILIPS CORP·Filed 1992·Granted Jul 27, 1993·9 cites·19 claims
- 3937US8273269B2Red colour filter compositionLENZ ROMAN·Filed 2009·Granted Sep 25, 2012·0 cites·12 claims
- 4035US7582230B2Liquid crystal display and colour filter with improved transparency for green lightCIBA SC HOLDING AG·Filed 2003·Granted Sep 1, 2009·0 cites·14 claims
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