| 发明名称 |
EXHAUST EMISSION CONTROL CATALYST FOR DIESEL ENGINES |
| 摘要 |
<p>An exhaust purification catalyst for a compression ignition engine comprises a carrier substrate and a metal-carrying layer which carries catalytic metal formed on the surface of the carrier substrate, and is characterized in that a diffusion restriction layer having a thickness smaller than 170 mu m is provided on the surface of the metal-carrying layer opposite to the carrier substrate. <IMAGE></p> |
| 申请公布号 |
EP0945178(A1) |
申请公布日期 |
1999.09.29 |
| 申请号 |
EP19970935781 |
申请日期 |
1997.08.13 |
| 申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
TANAKA, TOSHIAKI;FUJIMOTO, YOSHIO;OHASHI, NOBUMOTO;TAKESHIMA, SHINICHI;ITO, KAZUHIRO |
| 分类号 |
B01D53/94;B01J23/40;B01J33/00;B01J35/04;B01J35/10;B01J37/02;B01J37/025;(IPC1-7):B01J23/40 |
主分类号 |
B01D53/94 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
