Inventor

II YOSHIRO

2 patents

Patents

2 patents

US4286015AAug 25, 1981

Polyaryl ether sulfone semipermeable membrane and process for producing same

ASAHI CHEMICAL IND52 citations94

US4351860ASep 28, 1982

Polyaryl ether sulfone semipermeable membrane and process for producing same

ASAHI CHEMICAL IND31 citations86