发明授权
- 专利标题： Zoned catalytic filters for treatment of exhaust gas
- 专利标题（中）： 用于废气处理的分段催化过滤器
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申请号： US13354720申请日： 2012-01-20
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公开(公告)号： US08789356B2公开(公告)日： 2014-07-29
- 发明人: Paul Richard Phillips , Guy Richard Chandler , Keith Anthony Flanagan
- 申请人： Paul Richard Phillips , Guy Richard Chandler , Keith Anthony Flanagan
- 申请人地址： GB London
- 专利权人： Johnson Matthey Public Limited Company
- 当前专利权人： Johnson Matthey Public Limited Company
- 当前专利权人地址： GB London
- 代理商 Jimmie D. Johnson, Jr.
- 主分类号： F01N3/00
- IPC分类号： F01N3/00
摘要：
Provided is an SCRF article having different SCR catalysts compositions disposed on a wall-flow filter substrate in zones that are arranged in series with respect to the inlet and outlet faces of the substrate. Also provided is method of reducing backpressure and ammonia slip that involves the use of such SCRF articles.
公开/授权文献
- US20120186229A1 ZONED CATALYTIC FILTERS FOR TREATMENT OF EXHAUST GAS 公开/授权日：2012-07-26
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