Inventor
DEGEN HELMUT
DE17 patents
Patents
17 patentsUS4908041AMar 13, 1990
Navy and black dye mixtures: thiophene azo disperse dye and red, yellow or orange disperse dye
BASF AG7 citations74
US5466790ANov 14, 1995
Azo dyes with an acetalized diazo component of the thiophene or thiazole series
BASF AG10 citations73
US4537597AAug 27, 1985
Navy blue mixtures of disperse mono-azo dyes for cellulose acetate
BASF AG7 citations73
US4405330ASep 20, 1983
Navy disperse dye mixtures
BASF AG14 citations73
US5330543AJul 19, 1994
Thiopheneazo dyes with a coupling component of the diaminopyridine series
BASF AG2 citations63
US5062861ANov 5, 1991
Novel navy and black disperse dye mixtures including amino-phenyl thiophene azo disperse dye and red, yellow or orange disperse dyes
BASF AG4 citations63
US5382263AJan 17, 1995
Blue dye mixtures of high brilliance
BASF AG6 citations62
US5270456ADec 14, 1993
Azo dyes with A2-aminothiophene dye azo component and a coupling component and coupling component of the diphenylamine series
BASF AG3 citations62
US4464181AAug 7, 1984
Mixtures of benzisothiazole mono-azo dyes for cellulose acetate
BASF AG4 citations62
US4389216AJun 21, 1983
Navy dye mixtures
BASF AG6 citations62
US4386934AJun 7, 1983
Navy dye mixtures
BASF AG4 citations62
US5547477AAug 20, 1996
Dye mixtures with pyridoneazo dyes
BASF AG0 citations52
US5502170AMar 26, 1996
Azo dyes with an acetalized diazo component of the thiophene or thiazole series
BASF AG0 citations52
US4486198ADec 4, 1984
Navy dye mixtures
BASF AG1 citations51
US4925954AMay 15, 1990
Vat dye based on flouranthene
BASF AG0 citations49
US5364972ANov 15, 1994
Preparation of nitrobenzophenones, and a color-stable modification of a benzophenone-azopyridone dye
BASF AG1 citations48
US5318601AJun 7, 1994
Dye mixtures containing azo and quinophthalone dyes
BASF AG0 citations47