The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 1992
Filed:
Mar. 27, 1990
Applicant:
Inventors:
Masayuki Hanada, Kitakyushu, JP;
Morio Fukuda, Kitakyushu, JP;
Takeo Koshikawa, Ami, JP;
Akihiro Yamauchi, Koganei, JP;
Hiroshi Ogura, Yokohama, JP;
Assignees:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Mitsubishi Petrochemical Engineering Co., Ltd., Tokyo, JP;
Chemicals Industries Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C01B / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
423239 ; 4232132 ; 4232137 ; 423244 ; 4232453 ;
Abstract
An exhaust gas containing a nitrogen oxides is passed at a temperature of 250.degree. to 550.degree. C. in the presence of a reducing agent through a catalyst bed filled with a molded denitration catalyst comprising at least the following three catalyst components