Inventor
KAPAUN GUSTAV
DE9 patents
Patents
9 patentsUS4986852AJan 22, 1991
Pigments and use thereof
HOECHST AG31 citations90
US4134887AJan 16, 1979
Phenyl-azo-phenyl dyestuffs
HOECHST AG24 citations81
US4074967AFeb 21, 1978
Dyestuff preparations for dyeing and printing natural and synthetic polyamide fibre materials
HOECHST AG20 citations81
US4066638AJan 3, 1978
Water-soluble fiber reactive phenyl-azo-naphthyl dyestuffs containing two sulfo groups in the phenyl moiety
HOECHST AG24 citations81
US5716446AFeb 10, 1998
Isoindoline pigments based on aminoquinoxalinediones
HOECHST AG12 citations72
US5698705ADec 16, 1997
Isoindoline pigments
HOECHST AG11 citations72
US5074919ADec 24, 1991
Preparation of vat dyes and pigments of the perinone series
HOECHST AG4 citations62
US4372892AFeb 8, 1983
Process for the preparation of 1-aminobenzene-5-β-sulfatoethylsulfone-2,4-disulfonic acid, the 5-vinylsulfone compound and the alkali salts thereof
HOECHST AG4 citations62
US5510494AApr 23, 1996
Process for the preparation of C1 -C4 -alkyl or C1 -C4 -alkoxy and unsubstituted 2-(cyanomethyl)benzimidazole
HOECHST AG1 citations51