| 申请日期 | 2026-03-19 | 申请号 | US10919486 |
| 公开（公告）号 | US7259127B2 | 公开（公告）日 | 2007-08-21 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Norihiko Suzuki; Yuichi Matsuo; Kazunori Kiguchi | ||
| 简介 | Pd-based composite oxide containing at least one element selected from rare earth metals is used. Therefore, a composite oxide having the same amount of noble metal as in a conventional technique can be burned at a lower temperature. As a result, a purification catalyst for exhaust gas having superior purification properties in which deterioration of Pd dispersion by crystallization is prevented, and a production method therefor can be provided. | ||
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