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. 16, 2003
Filed:
Jul. 12, 2001
Applicant:
Inventors:
Assignee:
Daihatsu Motor Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/363 ;
U.S. Cl.
CPC ...
B01J 2/363 ;
Abstract
To provide an exhaust gas purifying catalyst that can develop good catalytic activity even in high-temperature endurance and also produce excellent low-temperature property, a coating layer having an outside layer and an inside layer is formed on a catalyst carrier, the outside layer being made to contain a noble metal previously supported on a heat-resisting oxide and a cerium complex oxide, and the inside layer being made to contain a heat-resisting oxide on which no noble metal is supported.