Inventor

AKATSUKA HISASHI

3 patents

Patents

3 patents

US3993562ANov 23, 1976

Loop-style continuous ion exchange unit

IDEMITSU KOSAN CO13 citations66

US4098689AJul 4, 1978

Method of treating waste water with activated sludge

IDEMITSU KOSAN CO3 citations60

US4151118AApr 24, 1979

Process for sulfurization of hydrogenation catalysts

IDEMITSU KOSAN CO3 citations51