| 申请日期 | 2025-07-09 | 申请号 | US11915317 |
| 公开（公告）号 | US8133839B2 | 公开（公告）日 | 2012-03-13 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Satoshi Matsueda; Mareo Kimura; Akimasa Hirai; Keiichi Narita; Hirohisa Tanaka; Mari Uenishi; Isao Tan; Masashi Taniguchi | ||
| 简介 | An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, wherein an atomic ratio of the alkaline-earth element with respect to a sum of the rare-earth element and the zirconium is 10 atomic % or more, a part of the rare-earth element and a part of zirconium form a composite oxide with at least a part of the alkaline-earth element, and the composite oxide and a part of the precious metal form a solid solution. | ||
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