发明名称 |
DOPPELSCHICHTIGER DREIWEG-KATALYSATOR |
摘要 |
Two-layer, three-way catalyst (I) from an inert catalyst carrier of ceramic(s) or metal for cleaning the exhaust gases of combustion engines, is new, where: each layer contain an active aluminum oxide and a cerium/zirconium mixed oxide (A), which are catalytically activated with palladium; both oxide materials of the second layer are catalytically activated additionally with rhodium; and (A) of the second layer has high content of the zirconium oxide than (A) of the first layer. |
申请公布号 |
AT482766(T) |
申请公布日期 |
2010.10.15 |
申请号 |
AT20070005547T |
申请日期 |
2007.03.19 |
申请人 |
UMICORE AG & CO. KG |
发明人 |
ROESCH, MARTIN;LINDNER, DIETER;KLINGMANN, RAOUL;DECOLA, PATRIZIA;RICHTER, JOERG-MICHAEL;SCHMIDT, MARCUS |
分类号 |
B01J23/44;B01D53/94;B01J23/46;B01J35/00;B01J37/02 |
主分类号 |
B01J23/44 |
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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