发明名称 |
LAYERED CATALYST COMPOSITE AND USE THEREOF |
摘要 |
<p>A layered catalyst composite for controlling vehicular exhaust emissions is disclosed. The composite comprises a substrate such as cordierite, at least one bottom layer deposited on the substrate containing a precious metal component such as platinum and at least one NOx storage component present in the amount of about 0.3 to about 1.5 g/n<3>, and at least one top layer deposited on the bottom layer containing a precious metal component such as platinum and at least one NOx storage component present in the amount of about 0.0 to less than about 0.3 g/n<3>.</p> |
申请公布号 |
WO2004069389(A1) |
申请公布日期 |
2004.08.19 |
申请号 |
WO2004US01271 |
申请日期 |
2004.01.20 |
申请人 |
ENGELHARD CORPORATION;LI, YUEJIN |
发明人 |
LI, YUEJIN |
分类号 |
B01D53/94;B01J23/58;B01J35/04;B01J37/02;F01N3/08;(IPC1-7):B01D53/94;F01N3/00 |
主分类号 |
B01D53/94 |
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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