公开(公告)号：US11311865B2

公开(公告)日：2022-04-26

申请号：US16410915

申请日：2019-05-13

Applicant: BASF Corporation

Inventor： Shiang Sung ,  Stanley A Roth ,  Claudia Zabel ,  Susanne Stiebels ,  Andreas Sundermann ,  Olga Gerlach

IPC: B01D53/94 ,  B01J29/076 ,  B01J35/00 ,  B01J37/02 ,  B01J23/40 ,  B01J23/656

Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat layer comprising a Pt component and a Pd component, and a second washcoat layer including a refractory metal oxide support containing manganese, a zeolite, and a platinum component is described.