发明授权
US4931419A Catalyst for the conversion of vehicular exhaust gases and process for
preparing the catalyst
失效
用于车辆废气转化的催化剂和用于制备催化剂的方法
- 专利标题： Catalyst for the conversion of vehicular exhaust gases and process for preparing the catalyst
- 专利标题（中）： 用于车辆废气转化的催化剂和用于制备催化剂的方法
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申请号： US260718申请日： 1988-10-21
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公开(公告)号： US4931419A公开(公告)日： 1990-06-05
- 发明人: Gilbert Blanchard , Francois Garreau , Michel Prigent , Richard Dozieres
- 申请人： Gilbert Blanchard , Francois Garreau , Michel Prigent , Richard Dozieres
- 申请人地址： FRX Rueil Malmaison Cedex
- 专利权人： Pro-Catalyse
- 当前专利权人： Pro-Catalyse
- 当前专利权人地址： FRX Rueil Malmaison Cedex
- 优先权： FRX8714519 19871021
- 主分类号： B01D53/94
- IPC分类号： B01D53/94 ; B01J23/56 ; B01J23/63 ; B01J23/89 ; B01J35/00 ; B01J35/04 ; B01J37/02 ; F01N3/28
摘要：
Improvedly time-stable catalysts adopted for the treatment of internal combustion engine exhaust gases include a monolithic catalyst support impregnated with a plurality of catalytically active phases, one section of the support being impregnated with a first catalytically active phase and remaining section of the support being impregnated with a second catalytically active phase.
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