Invention Grant
- Patent Title: Tin incorporated catalysts for gasoline engine exhaust gas treatments
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Application No.: US17249924Application Date: 2021-03-18
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Publication No.: US11745173B2Publication Date: 2023-09-05
- Inventor: Hongyu Ji , Wataru Kurashige , Shuhei Nagaoka , Dongsheng Qiao , Zhou Shang , Xiaorui Zhang
- Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , JOHNSON MATTHEY (SHANGHAI) CHEMICALS LIMITED
- Applicant Address: GB London
- Assignee: Johnson Matthey Public Limited Company,Johnson Matthey (Shanghai) Chemicals Limited
- Current Assignee: Johnson Matthey Public Limited Company,Johnson Matthey (Shanghai) Chemicals Limited
- Current Assignee Address: GB London; CN Shanghai
- Agent Ni Yan
- Priority: CN 2010240337.5 2020.03.31
- Main IPC: B01J21/04
- IPC: B01J21/04 ; B01J21/06 ; B01J21/08 ; B01J21/12 ; B01J23/10 ; B01J23/14 ; B01J23/42 ; B01J23/44 ; B01J23/46 ; B01J23/62 ; B01J23/63 ; B01J35/00 ; B01J35/02 ; F01N3/10 ; F01N3/28 ; B01J37/02
Abstract:
A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising a first platinum group metal (PGM) component and a first PGM support material, wherein the first catalytic region comprises up to 5 wt. % Sn.
Public/Granted literature
- US20210299647A1 NOVEL TIN INCORPORATED CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS Public/Granted day:2021-09-30
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