| 发明名称 |
EXHAUST GAS PURIFICATION CATALYST |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exhaust gas purification catalyst capable of preventing a decrease of catalytic activity after long time use. <P>SOLUTION: The exhaust gas purification catalyst consists of noble metal particles 2, a carrier 3 coating the surface of the noble metal particles 2 and made of a porous oxide, and an agglomeration suppressing material 4 coating the surface of the carrier 3 and made of alumina in mesh-like state. <P>COPYRIGHT: (C)2007,JPO&INPIT |
| 申请公布号 |
JP2007111640(A) |
申请公布日期 |
2007.05.10 |
| 申请号 |
JP20050306291 |
申请日期 |
2005.10.20 |
| 申请人 |
NISSAN MOTOR CO LTD;KYUSHU UNIV |
发明人 |
YASUDA HIROBUMI;NAKAMURA MASAKI;SUGA KATSUO;WAKAMATSU HIRONORI;KISHIDA MASAHIRO |
| 分类号 |
B01J23/42;B01D53/94;B01J23/44;B01J23/46;B01J35/10;F01N3/10 |
主分类号 |
B01J23/42 |
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