| 申请日期 | 2025-07-08 | 申请号 | US11659535 |
| 公开（公告）号 | US8011181B2 | 公开（公告）日 | 2011-09-06 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Hirohito Hirata | ||
| 简介 | The invention makes use of an exhaust gas catalyst, comprising an active component comprising at least one type of metal from noble metals and transition metals; NOx-absorbing material for absorbing and releasing nitrogen oxides according to the surrounding nitrogen oxide concentration; and compounds represented by A2O2SO4 and/or A2O2S (A is a rare earth element). | ||
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