| 申请日期 | 2025-06-27 | 申请号 | EP01983691 |
| 公开（公告）号 | EP1337316B1 | 公开（公告）日 | 2006-05-24 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | JOHNSON MATTHEY PLC | ||
| 简介 | A NOx-trap composition comprises a platinum group metal (PGM), at least one NOx storage component and a first support for supporting the PGM and the at least one Nox storage component, which at least one NOx storage component comprises at least one of an alkali metal and a rare earth metal or a mixture of any two or more thereof characterised in that the PGM consists of rhodium. | ||
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