Inventor

OKUNO MASAAKI

JP9 patents

Patents

9 patents

US5235071AAug 10, 1993

Catalyst for producing phthalic anhydride and process by using the same

NIPPON CATALYTIC CHEM IND36 citations92

US6380399B1Apr 30, 2002

Process for producing phthalic anhydride

NIPPON CATALYTIC CHEM IND16 citations83

US7316806B2Jan 8, 2008

Modifying catalyst for partial oxidation and method for modification

NIPPON CATALYTIC CHEM IND9 citations81

US5169820ADec 8, 1992

Catalyst for producing phthalic anhydride

NIPPON CATALYTIC CHEM IND21 citations79

US5229527AJul 20, 1993

Method for production of phthalic anhydride by vapor-phase oxidation of mixture of ortho-xylene with naphthalene

NIPPON CATALYTIC CHEM IND8 citations73

US6133184AOct 17, 2000

Catalyst for catalytic oxidation use

NIPPON CATALYTIC CHEM IND13 citations69

US6344568B1Feb 5, 2002

Catalyst for gas phase partial oxidation

NIPPON CATALYTIC CHEM IND6 citations61

US5663114ASep 2, 1997

Catalyst for production of pyromellitic anhydride and method for production of pyromellitic anhydride

NIPPON CATALYTIC CHEM IND2 citations60

US5504218AApr 2, 1996

Method for production pyromellitic anhydride

NIPPON CATALYTIC CHEM IND4 citations60