| 申请日期 | 2025-07-08 | 申请号 | DE60122204 |
| 公开（公告）号 | DE60122204T2 | 公开（公告）日 | 2007-06-28 |
| 公开国别 | DE | 申请人省市代码 | 全国 |
| 申请人 | JOHNSON MATTHEY PLC | ||
| 简介 | A three-way catalyst (TWC) composition comprises a manganese-containing oxygen storage component (OSC) and at least one optionally doped alumina wherein where the at least one alumina is gamma-alumina it is doped with at least one of a rare earth metal, silicon, germanium, phosphorus, arsenic, calcium, strontium or barium. | ||
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