Inventor · disambiguated record
Gerhard Wilker
Also filed as: WILKER GERHARD
6 granted patents·2 pending applications·73 citations·filing 1995–2006
83Inventor score
Top patents by PatentIndex Score
8 records- 0190US6918958B2Acid pigment dispersants and pigment preparationsCLARIANT GMBH·Filed 2002·Granted Jul 19, 2005·38 cites·18 claims
- 0280US7311769B2Pigment compositions consisting of a yellow disazo pigment and an organic pigmentCLARIANT PRODUKTE DEUTSCHLAND·Filed 2004·Granted Dec 25, 2007·14 cites·11 claims
- 0375US6521756B2Process for preparing perylene-3,4,9,10-tetracarboxylic diimide in transparent pigment formCLARIANT GMBH·Filed 2001·Granted Feb 18, 2003·8 cites·10 claims
- 0470US6646126B2Process for preparing perylene-3,4,9,10-tetracarboxylic diimide in transparent pigment formCLARIANT GMBH·Filed 2002·Granted Nov 11, 2003·6 cites·7 claims
- 0560US7341626B2Pigment compositions consisting of organic and inorganic pigmentsCLARIANT PRODUKTE DEUTSCHLAND·Filed 2004·Granted Mar 11, 2008·3 cites·10 claims
- 0642US5614015AProcess for the preparation of 4,10-dibromoanthanthrone pigmentHOECHST AKTIENGESCELLSCHAFT·Filed 1995·Granted Mar 25, 1997·4 cites·23 claims
- 0740US2009087769A1Finely divided azo dye and process for producing the sameWEBER JOACHIM·Filed 2006·Application pending·0 cites
- 0832US2009101874A1Pigment compositions consisting of an organic yellow pigment and a phthalocyanine pigmentWEBER JOACHIM·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →