发明名称 |
IMPROVED LEAN HC CONVERSION OF TWC FOR LEAN BURN GASOLINE ENGINES |
摘要 |
The present invention relates to a catalyst composition comprising a carrier substrate, a layer (i) coated on said carrier substrate comprising at least one precious group metal, a layer (ii) comprising Rh, and a layer (iii) comprising Pd and/or Pt and being substantially free of Ce, Ba and Rh, wherein the layer (iii) has a lower weight than the layer (i) or the layer (ii). Furthermore, the present invention relates to a method for treating an exhaust gas stream using said catalyst composition. |
申请公布号 |
WO2010129490(A3) |
申请公布日期 |
2011.04.14 |
申请号 |
WO2010US33457 |
申请日期 |
2010.05.04 |
申请人 |
BASF CORPORATION;HILGERNDORFF, MARCUS;XUE, WEN, MEI;TOLENTINO, CESAR |
发明人 |
HILGERNDORFF, MARCUS;XUE, WEN, MEI;TOLENTINO, CESAR |
分类号 |
F01N3/28;B01D53/94;B01J23/40;B01J23/46;F01N3/20 |
主分类号 |
F01N3/28 |
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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