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:
Sep. 22, 1998
Filed:
Jul. 20, 1995
Applicant:
Inventors:
Katsuo Suga, Yokosuka, JP;
Toru Sekiba, Yokohama, JP;
Assignee:
Nissan Motor Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502328 ; 502326 ; 4232135 ;
Abstract
A catalyst system for the purification of exhaust gas comprises at least two catalysts disposed on an exhaust system side of an engine and at least containing palladium as a catalyst component. In this case, each of catalysts disposed on upstream side and downstream side contains a given amount of an alkaline earth metal compound as an oxide conversion per 1 L of a carrier.