- 专利标题: Exhaust gas purification filter
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申请号: US15473007申请日: 2017-03-29
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公开(公告)号: US10233803B2公开(公告)日: 2019-03-19
- 发明人: Satoshi Sumiya , Daisuke Yokota
- 申请人: Johnson Matthey Public Limited Company
- 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 Gary D. Mangels
- 优先权: JP2016-073878 20160401
- 主分类号: B01J21/04
- IPC分类号: B01J21/04 ; B01J23/44 ; B01J35/04 ; F01N3/022 ; F01N3/035 ; B01D46/24 ; B01J35/00 ; B01J37/02 ; B01D53/94 ; F01N3/021
摘要:
Provided is an exhaust gas purification filter including a substrate comprising a plurality of porous partitions, wherein the partitions form an exhaust gas flow path, a porous catalytic layer is provided on the partitions and the catalytic layer having a thickness of 10 μm or greater is provided over at least 20% of the total length of the partitions in the lengthwise direction thereof, and the catalytic layer having a thickness of 10 μm or greater is not present on the partitions 15 mm from an outflow side.
公开/授权文献
- US20170284247A1 Exhaust gas purification filter 公开/授权日:2017-10-05
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