Inventor
MARUYAMA KEIZO
JP3 patents
Patents
3 patentsUS4418045ANov 29, 1983
Method for disposal of waste gas and apparatus therefor
NIPPON CATALYTIC CHEM IND33 citations91
US4481304ANov 6, 1984
Catalyst for producing phthalic anhydride
NIPPON CATALYTIC CHEM IND26 citations81
US4284571AAug 18, 1981
Process for producing phthalic anhydride and catalyst therefor
NIPPON CATALYTIC CHEM IND28 citations81