发明授权
- 专利标题： Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for automobile exhaust gas
- 专利标题（中）： 废气净化催化剂及其制备方法，汽车废气净化催化剂装置
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申请号： US11039032申请日： 2005-01-20
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公开(公告)号： US07199079B2公开(公告)日： 2007-04-03
- 发明人: Yuichi Matsuo , Atsushi Furukawa , Norihiko Suzuki , Kazunori Kiguchi
- 申请人： Yuichi Matsuo , Atsushi Furukawa , Norihiko Suzuki , Kazunori Kiguchi
- 申请人地址： JP Tokyo
- 专利权人： Honda Motor Co., Ltd.
- 当前专利权人： Honda Motor Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Hamre, Schumann, Mueller & Larson, P.C.
- 优先权： JP2004-012860 20040121
- 主分类号： B01J23/00
- IPC分类号： B01J23/00 ; B01J21/00 ; B01J20/00
摘要：
A purification catalyst for exhaust gas enhances the activities of the precious metals, preventing decrease of activities at high temperature, and exhibiting a satisfactory performance during operation. In the purification catalyst of the present invention, Pd is supported by an aluminum composite oxide having a perovskite structure, the aluminum composite oxide is LnAl1−xMxO3 in which Ln is a rare-earth element, and the element M in the LnAl1−xMxO3 is one of elements in groups 1 to 5 and groups 12 to 14.