发明名称 |
CATALYST FOR EXHAUST GAS PURIFICATION |
摘要 |
An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, an atomic ratio of the alkaline-earth element with respect to the sum of the rare-earth element and the zirconium is equal to 0.1 atomic% or higher and lower than 10 atomic%, a part of the rare-earth element, a part of the zirconium and at least a part of the alkaline-earth element forming a composite oxide, and the composite oxide and a part of precious metal forming a solid solution. |
申请公布号 |
EP1911514(A1) |
申请公布日期 |
2008.04.16 |
申请号 |
EP20060766710 |
申请日期 |
2006.06.14 |
申请人 |
CATALER CORPORATION;TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
MATSUEDA, SATOSHI;KIMURA, MAREO;CHIBA, AKIYA;NAGASHIMA, HIROKI;MIYOSHI, NAOTO;ISHIBASHI, KAZUNOBU;KANAZAWA, TAKAAKI |
分类号 |
B01J23/58;B01D53/94;F01N3/10 |
主分类号 |
B01J23/58 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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