Invention Grant
- Patent Title: High ammonia storage capacity SCR catalysts
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Application No.: US17907554Application Date: 2021-03-31
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Publication No.: US12296322B2Publication Date: 2025-05-13
- 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
- Applicant: BASF MOBILE EMISSIONS CATALYSTS LLC
- Applicant Address: US NJ Iselin
- Assignee: BASF MOBILE EMISSIONS CATALYSTS LLC
- Current Assignee: BASF MOBILE EMISSIONS CATALYSTS LLC
- Current Assignee Address: US NJ Iselin
- Agency: DLA Piper LLP (US)
- Priority: EP20167554 20200401
- International Application: PCT/EP2021/058448 WO 20210331
- International Announcement: WO2021/198339 WO 20211007
- Main IPC: B01J29/76
- 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.
Public/Granted literature
- US20230141207A1 HIGH AMMONIA STORAGE CAPACITY SCR CATALYSTS Public/Granted day:2023-05-11
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