公开(公告)号：US12296322B2

公开(公告)日：2025-05-13

申请号：US17907554

申请日：2021-03-31

Applicant: BASF MOBILE EMISSIONS CATALYSTS LLC

Inventor： Edgar Viktor Huennekes ,  Petra Cordes ,  Jan Martin Becker ,  Kevin Beard ,  Nicholas McGuire ,  Jaya L Lakshmi ,  John K Hochmuth ,  Joseph A Patchett ,  Kenneth E Voss

IPC: B01J29/76 ,  B01D53/94 ,  B01J21/08 ,  B01J29/03 ,  B01J29/035 ,  B01J29/06 ,  B01J29/80 ,  B01J35/00 ,  B01J35/56 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08 ,  F01N3/035 ,  F01N3/08 ,  F01N3/20 ,  F01N3/28

Abstract: The present invention relates to a catalyst for the selective catalytic reduction of nitrogen oxide, the catalyst comprising a first coating comprising a 12-membered ring pore zeolitic material comprising a first metal which is one or more of copper and iron, and a second coating comprising an 8-membered ring pore zeolitic material comprising a second metal which is one or more of copper and iron.