Inventor · disambiguated record
Paul Kerwin
Also filed as: KERWIN PAUL
5 granted patents·35 citations·filing 1996–2000
78Inventor score
Top patents by PatentIndex Score
5 records- 0173US5776238AProduction of pigmentsCIBA SC HOLDING AG·Filed 1996·Granted Jul 7, 1998·15 cites·12 claims
- 0255US6402828B1Azo lake pigment compositionCIBA SC HOLDING AG·Filed 2000·Granted Jun 11, 2002·4 cites·9 claims
- 0341US6031030AProduction processCIBA SPEICIALTY CHEMICALS CORP·Filed 1998·Granted Feb 29, 2000·4 cites·20 claims
- 0439US5964929AProcess for the production of ink concentratesCIBA SC HOLDING AG·Filed 1996·Granted Oct 12, 1999·8 cites·19 claims
- 0538US6007612APigment compositionsCIBA SC HOLDING AG·Filed 1997·Granted Dec 28, 1999·4 cites·8 claims
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