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公开(公告)号:JP5023950B2
公开(公告)日:2012-09-12
申请号:JP2007264479
申请日:2007-10-10
申请人: マツダ株式会社
IPC分类号: B01J23/63 , B01D39/14 , B01D39/20 , B01D53/94 , B01J37/03 , F01N3/023 , F01N3/035 , F01N3/10
摘要: PROBLEM TO BE SOLVED: To improve the performance of purifying exhaust gas ingredients, including HCs, CO and particulate, and the heat resistance of the performance. SOLUTION: A catalyst metal is supported by a support material in which primary particles of activated alumina, those of a Ce type composite oxide and those of a Zr type composite oxide are mixed to form secondary particles. COPYRIGHT: (C)2009,JPO&INPIT
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