- 专利标题: MULTI-REGION TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS WITH IMPROVED H2S ATTENUATION
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申请号: EP21713456.8申请日: 2021-03-19
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公开(公告)号: EP4127428A1公开(公告)日: 2023-02-08
- 发明人: ARMITAGE, Andrew , POWELL, Alexis
- 申请人: Johnson Matthey Public Limited Company
- 申请人地址: GB London EC4A 4AB 5th Floor 25 Farringdon Street
- 代理机构: Wilson, Nicola Ann
- 优先权: EP20275069 20200330
- 国际公布: WO2021198643 20211007
- 主分类号: F01N3/10
- IPC分类号: F01N3/10 ; B01D53/94 ; B01J23/63 ; B01J37/02 ; B01J35/00 ; B01J35/04 ; B01J23/00 ; B01J23/10 ; B01J37/12 ; B01J37/08 ; B01J37/04 ; B01J35/02
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