06967186 is referenced by 15 patents and cites 37 patents.

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.

Title
Exhaust gas purifying catalyst
Application Number
10/285456
Publication Number
6967186 (B2)
Application Date
November 1, 2002
Publication Date
November 22, 2005
Inventor
Yoshiaki Hiramoto
Kanagawa-ken
JP
Shinji Yamamoto
Kanagawa-ken
JP
Masahiro Takaya
Kanagawa-ken
JP
Agent
Foley & Lardner
Assignee
Nissan Motor
JP
IPC
B01J 023/44
B01J 023/56
B01J 023/42
B01J 023/40
B01J 023/00
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