Inventor
OKANIWA TETSUO
4 patents
Patents
4 patentsUS4488992ADec 18, 1984
Monoazo dyestuffs derived from benzothiazole
SUMITOMO CHEMICAL CO10 citations71
US3958287AMay 25, 1976
Dischargeable black dyeing on acid modified polyester fiber
SUMITOMO CHEMICAL CO7 citations71
US3948598AApr 6, 1976
Black-dyeing process of basic dyeable polyester fibers
SUMITOMO CHEMICAL CO6 citations60
US3974178AAug 10, 1976
Naphthostyril cationic dyes
SUMITOMO CHEMICAL CO3 citations59