| 申请日期 | 2025-06-28 | 申请号 | WOUS18055332 |
| 公开（公告）号 | WO2019075154A1 | 公开（公告）日 | 2019-04-18 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | JOHNSON MATTHEY PUBLIC LIMITED COMPANY; CHANG Hsiao Lan | ||
| 简介 | 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; and a catalytic region on the substrate; wherein the catalytic region comprises a first platinum group metal (PGM) component, an oxygen storage component (OSC) material, a rare earth metal oxide, and an inorganic oxide; and wherein the rare earth metal oxide has an average diameter (d50) of more than 100 nm. | ||
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