Inventor · disambiguated record
Helmut Degen
Also filed as: DEGEN HELMUT
17 granted patents·69 citations·filing 1982–1995
92Inventor score
Files withBASF AG17
Top patents by PatentIndex Score
17 records- 0172US5466790AAzo dyes with an acetalized diazo component of the thiophene or thiazole seriesBASF AG·Filed 1993·Granted Nov 14, 1995·10 cites·6 claims
- 0267US4537597ANavy blue mixtures of disperse mono-azo dyes for cellulose acetateBASF AG·Filed 1984·Granted Aug 27, 1985·7 cites·5 claims
- 0355US4405330ANavy disperse dye mixturesBASF AG·Filed 1982·Granted Sep 20, 1983·14 cites·2 claims
- 0446US5270456AAzo dyes with A2-aminothiophene dye azo component and a coupling component and coupling component of the diphenylamine seriesBASF AG·Filed 1991·Granted Dec 14, 1993·3 cites·4 claims
- 0544US5382263ABlue dye mixtures of high brillianceBASF AG·Filed 1992·Granted Jan 17, 1995·6 cites·3 claims
- 0641US5330543AThiopheneazo dyes with a coupling component of the diaminopyridine seriesBASF AG·Filed 1993·Granted Jul 19, 1994·2 cites·12 claims
- 0740US4908041ANavy and black dye mixtures: thiophene azo disperse dye and red, yellow or orange disperse dyeBASF AG·Filed 1988·Granted Mar 13, 1990·7 cites·4 claims
- 0838US4389216ANavy dye mixturesBASF AG·Filed 1982·Granted Jun 21, 1983·6 cites·1 claims
- 0937US4486198ANavy dye mixturesBASF AG·Filed 1984·Granted Dec 4, 1984·1 cites·3 claims
- 1035US5062861ANovel navy and black disperse dye mixtures including amino-phenyl thiophene azo disperse dye and red, yellow or orange disperse dyesBASF AG·Filed 1990·Granted Nov 5, 1991·4 cites·3 claims
- 1135US4464181AMixtures of benzisothiazole mono-azo dyes for cellulose acetateBASF AG·Filed 1983·Granted Aug 7, 1984·4 cites·3 claims
- 1235US4386934ANavy dye mixturesBASF AG·Filed 1982·Granted Jun 7, 1983·4 cites·2 claims
- 1332US5547477ADye mixtures with pyridoneazo dyesBASF AG·Filed 1993·Granted Aug 20, 1996·0 cites·5 claims
- 1432US5502170AAzo dyes with an acetalized diazo component of the thiophene or thiazole seriesBASF AG·Filed 1995·Granted Mar 26, 1996·0 cites·1 claims
- 1532US5364972APreparation of nitrobenzophenones, and a color-stable modification of a benzophenone-azopyridone dyeBASF AG·Filed 1992·Granted Nov 15, 1994·1 cites·11 claims
- 1629US4925954AVat dye based on flourantheneBASF AG·Filed 1988·Granted May 15, 1990·0 cites·2 claims
- 1725US5318601ADye mixtures containing azo and quinophthalone dyesBASF AG·Filed 1993·Granted Jun 7, 1994·0 cites·5 claims
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