Inventor

KONISHI SEIZO

3 patents

Patents

3 patents

US4257770AMar 24, 1981

Disazo dye composition

SUMITOMO CHEMICAL CO43 citations89

US3977827AAug 31, 1976

Process for dyeing acid-modified polyester fibers

SUMITOMO CHEMICAL CO5 citations59

US3974178AAug 10, 1976

Naphthostyril cationic dyes

SUMITOMO CHEMICAL CO3 citations59