Inventor

SCHUTZ HANS U

CH2 patents

Patents

2 patents

US4215042AJul 29, 1980

Copper, and nickel complexes of azo dyestuffs

CIBA GEIGY CORP5 citations67

US4217270AAug 12, 1980

Sulfo substituted chromium containing azo pyrazolone dyestuff

CIBA GEIGY CORP0 citations41