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:
Jun. 11, 1996
Filed:
Apr. 11, 1994
Applicant:
Inventors:
Assignees:
Tokyo Roki Co., Ltd., Kanagawa-ken, JP;
Mazda Motor Corporation, Hiroshima-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
422171 ; 422177 ; 423220 ; 423230 ; 502304 ;
Abstract
An exhaust gas purifying catalyst for use in an internal combustion engine includes a porous monolithic carrier, a catalyst coating layer formed on a surface of the monolithic carrier and containing a catalytic material capable of purifying exhaust gases, and a palladium-supporting layer formed in the catalyst coating layer at a location close to an exhaust gas inlet end of the monolithic carrier. Palladium is distributed at a high concentration in the palladium-supporting layer.