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. 17, 1994
Filed:
May. 07, 1993
Applicant:
Inventors:
Toshiaki Hayasaka, Sodegaura, JP;
Takuma Kimura, Sodegaura, JP;
Assignee:
Idemitsu Kosan Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01J / ;
U.S. Cl.
CPC ...
4232135 ; 4232132 ; 4232392 ;
Abstract
The catalyst for purifying an exhaust gas has at least gallium and a zeolite and an exhaust gas purifying method using the catalyst. Nitrogen oxides in the exhaust gas are reduced and eliminated by the catalyst in an oxidative atmosphere at a reaction temperature of 200.degree. to 800.degree. C. and under the presence of a hydrocarbon at the total THC concentration/NO.sub.x concentration of from 0.5 to 50.
Hayasaka, Toshiaki. (1994). Exhaust gas purifying catalyst and an exhaust gas purifying method using (U.S. Patent No. 5312608). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5312608
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile