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:
May. 23, 1989
Filed:
Nov. 19, 1987
Applicant:
Inventors:
Makoto Imanari, Ami, JP;
Takeo Koshikawa, Ami, JP;
Akihiro Yamauchi, Koganei, JP;
Masayuki Hanada, Kitakyushu, JP;
Morio Fukuda, Kitakyushu, JP;
Kiyoshi Nagano, Kitakyushu, JP;
Assignees:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Catalyst and Chemicals Industries, Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502309 ; 423239 ;
Abstract
A denitration catalyst comprising an oxide of titanium, an oxide of tungsten and an oxide of vanadium as catalytically active ingredients and having a specific surface area, measured by the BET method, of 80 to 200 m.sup.2 /g and a pore volume, measured by the mercury penetration method, of 0.1 to 0.5 cc/g.