申请日期 | 2025-07-12 | 申请号 | US10568505 |
公开(公告)号 | US7674746B2 | 公开(公告)日 | 2010-03-09 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | Yuichi Matsuo; Kazunori Kiguchi; Norihiko Suzuki | ||
简介 | A purification catalyst for exhaust gas enhances the activities of the precious metals, preventing drop of activities at high temperature, and exhibiting a sufficient performance even during low temperature (below 400° C.) operation when starting a vehicle or during idling. The Pd oxide is supported on the Al oxide, and the Al oxide is LnAlO3 (Ln : rare-earth element). |
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