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:
Nov. 23, 1976
Filed:
Jun. 09, 1975
Applicant:
Inventors:
Kiyoshi Morikawa, Fujisawa, JA;
Fusao Nishida, Tokyo, JA;
Tomiaki Yamada, Yokohama, JA;
Noriyuki Suzuki, Tokyo, JA;
Takehiko Takeda, Yokohama, JA;
Tsutomu Yanagihara, Tokyo, JA;
Katshiko Adachi, Yokohama, JA;
Tadashi Asanabe, Tokyo, JA;
Katuaki Ohsato, Yokohama, JA;
Kintaro Tsuda, Tokyo, JA;
Assignee:
Japan Gasoline Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423239 ;
Abstract
A process for the removal of nitrogen oxides from a waste gas containing said oxides in conjunction with sulfur oxides which comprises contacting said waste gas with ammonia as a reducing agent at temperatures of from 250.degree. to 550.degree. C in the presence of a catalyst wherein an active component containing iron or copper as the active metal and a sulfate of aluminum are supported on a silica carrier.