Exhaust gas purification catalyst,申请号DE1997142705-传众专利搜索

发明名称	Exhaust gas purification catalyst
摘要	Exhaust gas purification catalyst (C) comprises: (a) a base catalyst (2) directly on a carrier (1) and containing a precious metal and alkali(ne earth) metal; and (b) an upper catalyst layer (3) containing a zeolite.
申请公布号	DE19742705(A1)	申请公布日期	1998.04.02
申请号	DE1997142705	申请日期	1997.09.26
申请人	MAZDA MOTOR CORP., HIROSHIMA, JP	发明人	KUROKAWA, TAKAHIRO, HIROSHIMA, JP;KYOGOKU, MAKOTO, HIROSHIMA, JP;TAKAMI, AKIHIDE, HIROSHIMA, JP;OKAMOTO, KENJI, HIROSHIMA, JP;IWAKUNI, HIDEHARU, HIGASHIHIROSHIMA, HIROSHIMA, JP;YAMADA, HIROSHI, HATSUKAICHI, HIROSHIMA, JP
分类号	B01D53/94;B01J21/16;B01J23/58;B01J23/63;B01J29/068;B01J29/44;B01J37/02;F01N3/28;(IPC1-7):B01D53/94;B01D53/56;F01N3/20	主分类号	B01D53/94
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