发明名称 |
CATALYST FOR PURIFYING EXHAUST GAS FROM DIESEL ENGINES |
摘要 |
A catalyst for purifying exhaust gas from Diesel engines, having a catalyst component-carrying layer made of a refractory three-dimensional structure having carried thereon a catalyst component containing (a) a refractory inorganic oxide, (b) at least one noble metal selected from palladium and platinum, and (c) rhodium, wherein the rhodium is contained only in an upper layer portion of the catalyst component-carrying layer corresponding to no more than 80 % in thickness of the catalyst component-carrying layer.
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申请公布号 |
CA2044984(C) |
申请公布日期 |
1996.04.02 |
申请号 |
CA19912044984 |
申请日期 |
1991.06.19 |
申请人 |
NIPPON SHOKUBAI CO., LTD. |
发明人 |
HORIUCHI, MAKOTO;INUI, SATOSHI;SAITO, KOICHI |
分类号 |
B01D53/94;B01J23/46;B01J23/56;B01J23/63;B01J35/04;B01J37/02;F02B3/06;(IPC1-7):B01J23/46 |
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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