The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 09, 2021
Filed:
Oct. 02, 2018
Applicant:
Basf Corporation, Florham Park, NJ (US);
Inventors:
Xiaolai Zheng, Princeton Junction, NJ (US);
Patrick Burk, Freehold, NJ (US);
Assignee:
BASF Corporation, Florham Park, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/83 (2006.01); B01J 23/20 (2006.01); B01J 23/30 (2006.01); B01J 23/34 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 35/00 (2006.01); B01J 35/04 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
B01J 23/83 (2013.01); B01J 23/20 (2013.01); B01J 23/30 (2013.01); B01J 23/34 (2013.01); B01J 23/44 (2013.01); B01J 23/464 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); F01N 3/101 (2013.01); F01N 3/2066 (2013.01); F01N 3/28 (2013.01); F01N 2370/02 (2013.01);
Abstract
The present disclosure provides SCR catalyst compositions, catalyst articles, and catalyst systems, as well as methods of reducing the amount of NOx present in an engine exhaust gas, particularly exhaust from a gasoline engine. The catalyst compositions particularly can comprise a doped ceria substrate, particularly a ceria support doped with at least a niobia component, and optionally further doped with a further material, particularly a base metal oxide (BMO).