发明名称 |
Exhaust gas purifying catalyst and producing method thereof |
摘要 |
An exhaust gas purifying catalyst includes: a catalyst particle unit having at least noble metal with a catalytic function, first oxides on which the catalyst noble metal is supported, and second oxides covering the first oxides on which the noble metal is supported. In catalyst powder formed of an aggregate of plural pieces of the catalyst particle units, at least one type of compounds selected from the group consisting of a transition element, an alkali earth metal element, an alkali metal element, and a rare earth element, which is a promoter component, are contained. |
申请公布号 |
EP1944082(A1) |
申请公布日期 |
2008.07.16 |
申请号 |
EP20080000180 |
申请日期 |
2008.01.07 |
申请人 |
NISSAN MOTOR CO., LTD. |
发明人 |
NAKAMURA, MASANORI;WAKAMATSU, HIRONORI;NAITO, TETSURO;SUGA, KATSUO;KIKUCHI, HIROTO;SHIRATORI, KAZUYUKI |
分类号 |
B01J23/00;B01D53/00;B01J23/38;B01J35/00;B01J35/04;B01J37/02;F01N3/00 |
主分类号 |
B01J23/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|