Inventor

SAWA UTAZI

3 patents

Patents

3 patents

US4257770AMar 24, 1981

Disazo dye composition

SUMITOMO CHEMICAL CO43 citations89

US4482501ANov 13, 1984

Process for producing aminoaryl-β-sulfatoethylsulfone

SUMITOMO CHEMICAL CO2 citations58

US4346046AAug 24, 1982

Process for producing aminoaryl-β-sulfatoethylsulfone

SUMITOMO CHEMICAL CO6 citations58