公开(公告)号：US20180304244A1

公开(公告)日：2018-10-25

申请号：US15959911

申请日：2018-04-23

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Yannick Daniel BIDAL ,  Andrew CHIFFEY ,  Jack CORPS ,  Laura MITCHELL-DOWNIE ,  Francois MOREAU ,  Matthew O'BRIEN

IPC: B01J29/78 ,  B01J29/74 ,  B01J35/00 ,  B01J23/34 ,  B01J21/12 ,  B01J35/04 ,  B01D53/94 ,  F01N3/08

CPC classification number: B01J29/7815 ,  B01D53/9409 ,  B01D53/9413 ,  B01D53/9422 ,  B01D53/944 ,  B01D53/9463 ,  B01D53/9468 ,  B01D53/9472 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2073 ,  B01D2255/2096 ,  B01D2255/502 ,  B01D2255/707 ,  B01D2255/9022 ,  B01D2255/9025 ,  B01D2255/9032 ,  B01D2255/904 ,  B01D2255/91 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J20/00 ,  B01J21/00 ,  B01J21/12 ,  B01J23/34 ,  B01J29/74 ,  B01J35/0006 ,  B01J35/04 ,  F01N3/0814 ,  F01N2570/14

Abstract: A NOx absorber catalyst for treating an exhaust gas from a diesel engine. The NOx absorber catalyst comprises a first region comprising a NOx absorber material comprising a molecular sieve catalyst, and a second region comprising a nitrogen dioxide reduction material; and a substrate having an inlet end and an outlet end.