发明名称 |
THREE-WAY CATALYST COMPRISING A SILVER-CONTAINING EXTRUDED ZEOLITE SUBSTRATE AND ITS USE IN EXHAUST SYSTEMS |
摘要 |
A three-way catalyst is disclosed. The three-way catalyst comprises a silver-containing extruded zeolite substrate and a catalyst layer disposed on the silver-containing extruded zeolite substrate. The catalyst layer comprises a supported platinum group metal catalyst comprising one or more platinum group metals and one or more inorganic oxide carriers. The invention also includes an exhaust system comprising the three-way catalyst. The three-way catalyst results in improved hydrocarbon storage and conversion, in particular during the cold start period. |
申请公布号 |
WO2015066312(A8) |
申请公布日期 |
2016.06.09 |
申请号 |
WO2014US63131 |
申请日期 |
2014.10.30 |
申请人 |
JOHNSON MATHEY PUBLIC LIMITED COMAPNY;CHANG, HSIAO-LAN |
发明人 |
CHANG, HSIAO-LAN;CHEN, HAI-YING;KOO, KWANGMO;RIECK, JEFFREY, SCOTT |
分类号 |
B01J23/40;B01J23/42;B01J23/44;B01J23/46;B01J23/63;B01J29/74;B01J35/00;B01J35/04;B01J37/00;B01J37/02 |
主分类号 |
B01J23/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|