发明名称 |
EXHAUST GAS CATALYST AND EXHAUST GAS PROCESSING APPARATUS USING THE SAME |
摘要 |
<p>Disclosed is an exhaust gas catalyst wherein the catalyst efficiency is improved by enhancing diffusion of the exhaust gas in a catalyst layer. Specifically disclosed is an exhaust gas catalyst comprising at least a carrier and a plurality of layers formed on the carrier. At least one of the layers has pores therein, and at least one other layer has pores therein and contains, as catalyst components, a noble metal, alumina and a complex oxide mainly containing ceria, zirconia and one or more rare earth elements other than cerium.</p> |
申请公布号 |
EP2050495(A1) |
申请公布日期 |
2009.04.22 |
申请号 |
EP20070740889 |
申请日期 |
2007.04.03 |
申请人 |
JOHNSON MATTHEY JAPAN INCORPORATED |
发明人 |
CHO, JIN;HIROTA, TOMOTAKA;TANIKAWA, KENJI |
分类号 |
B01J23/63;B01D53/94;B01J23/58;B01J35/10;F01N3/10 |
主分类号 |
B01J23/63 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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