Inventor

SANGA SEIJI

2 patents

Patents

2 patents

US3960760AJun 1, 1976

Sewer waste water treating agent produced from waste cracking catalyst

CATALYSTS & CHEM IND CO13 citations70

US4122007AOct 24, 1978

Reclaiming process for zeolite served for adsorbing ammoniacal nitrogen contained in sewage

CATALYSTS & CHEM IND CO8 citations68