| 申请日期 | 2025-07-12 | 申请号 | JP2007531791 |
| 公开（公告）号 | JP2008513195A | 公开（公告）日 | 2008-05-01 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | RHONE POULENC CHIMIE | ||
| 简介 | The invention relates to a method of producing a catalysed particulate filter. The invention is characterised in that, in order to lower the particulate oxidation temperature, the filter is provided with a cerium oxide, a zirconium oxide or a cerium/zirconium mixed oxide which can also comprise at least one rare earth oxide other than cerium. The porosity of said oxide or mixed oxide is such that at least 80% of the pore volume comprises pores having a diameter of least 20 nm. | ||
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