| 申请日期 | 2025-07-08 | 申请号 | EP07101480 |
| 公开（公告）号 | EP1820561B1 | 公开（公告）日 | 2014-12-31 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | Mazda Motor Corporation | ||
| 简介 | Walls forming exhaust gas channels (2, 6) in a diesel particulate filter (DPF) (1) are coated with a catalyst layer (7) for promoting the burning of particulates trapped thereon. The catalyst layer (7) contains alumna (14) and a composite oxide (13) containing Ce as a major component and rare earth metal other than Ce or alkali earth metal. Pt is loaded on the alumina (14) and the composite oxide (13). | ||
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