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:
Nov. 22, 2005
Filed:
Nov. 01, 2002
Masahiro Takaya, Kanagawa-ken, JP;
Shinji Yamamoto, Kanagawa-ken, JP;
Yoshiaki Hiramoto, Kanagawa-ken, JP;
Masahiro Takaya, Kanagawa-ken, JP;
Shinji Yamamoto, Kanagawa-ken, JP;
Yoshiaki Hiramoto, Kanagawa-ken, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
An exhaust gas purifying catalyst including a carrier having a plurality of cells as exhaust gas passages, an HC adsorbent layer formed on the carrier of each of the cells, and an upper catalyst layer disposed on an upstream side of each of the exhaust gas passages on the HC adsorbent layer and a lower catalyst layer disposed on a downstream side of each of the exhaust gas passages on the HC adsorbent layer. The upper catalyst layer includes more O2-storage material than the lower catalyst layer, and the lower catalyst layer includes a catalyst having a wider activation range than the upper catalyst layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile