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:
Apr. 25, 2023
Filed:
Mar. 06, 2020
Applicant:
Basf Corporation, Florham Park, NJ (US);
Inventors:
Ivan Petrovic, Princeton, NJ (US);
Subramanian Prasad, Edison, NJ (US);
Joseph Palamara, Rahway, NJ (US);
Assignee:
BASF Corporation, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01J 29/76 (2006.01); B01J 35/04 (2006.01); F01N 3/20 (2006.01); F01N 13/16 (2010.01);
U.S. Cl.
CPC ...
B01J 29/763 (2013.01); B01D 53/944 (2013.01); B01D 53/9418 (2013.01); B01D 53/9477 (2013.01); B01J 35/04 (2013.01); F01N 3/2066 (2013.01); F01N 13/16 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/50 (2013.01); B01J 2229/186 (2013.01); F01N 2330/00 (2013.01); F01N 2370/04 (2013.01); F01N 2610/02 (2013.01);
Abstract
The present disclosure generally provides a catalyst composition comprising a zeolite containing iron and/or copper with a reduced amount of extra-framework aluminum. The catalyst composition is useful to catalyze the reduction of nitrogen oxides in exhaust gas in the presence of a reductant.