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. 04, 2007
Filed:
Apr. 15, 2004
Applicant:
Tatsuya Yoshikawa, Himeji, JP;
Inventor:
Tatsuya Yoshikawa, Himeji, JP;
Assignees:
ICT Co., Ltd., Osaka, JP;
International Catalyst Technology, Inc., Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/068 (2006.01); B01J 29/22 (2006.01); B01J 29/44 (2006.01); B01J 29/67 (2006.01); B01J 29/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exhaust gas purifying catalyst formed by having a first rhodium-containing catalyst layer, a second zeolite-containing catalyst layer, and a third palladium-containing catalyst layer superposed sequentially on a carrier, and a process for purifying the exhaust gas from an internal combustion engine by using the catalyst. A catalyst possessing durability and excelling in the ability to adsorb hydrocarbon, the ability to purify, and the three-way performance is provided.