公开(公告)号：US20180078900A1

公开(公告)日：2018-03-22

申请号：US15712178

申请日：2017-09-22

Applicant: Johnson Matthey Public Limited Company

Inventor： Paul ANDERSEN ,  Hai-Ying CHEN ,  Kevin DOURA ,  Joseph FEDEYKO ,  John KILMARTIN

IPC: B01D53/94 ,  B01J21/04 ,  B01J21/08 ,  B01J35/00 ,  B01J35/04 ,  F01N3/10

CPC classification number: B01D53/9427 ,  B01D53/9418 ,  B01D53/944 ,  B01D53/9459 ,  B01D2255/1021 ,  B01D2255/1026 ,  B01D2255/2065 ,  B01D2255/20707 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/407 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2255/915 ,  B01D2255/9155 ,  B01J21/04 ,  B01J21/063 ,  B01J21/066 ,  B01J21/08 ,  B01J23/42 ,  B01J23/462 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0201 ,  B01J37/0248 ,  F01N3/103 ,  F01N3/106 ,  F01N2370/02 ,  F01N2570/145 ,  Y02A50/2325 ,  Y02A50/2344 ,  Y02C20/10 ,  Y02T10/24

Abstract: An oxidation catalyst is described for treating an exhaust gas produced by a diesel engine. The oxidation catalyst comprises a washcoat region disposed on a substrate, wherein the washcoat region comprises a mixture of: platinum (Pt) supported on a first support material; and ruthenium (Ru).