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:
May. 30, 2023
Filed:
Feb. 06, 2020
Applicant:
Basf Corporation, Florham Park, NJ (US);
Inventors:
Assignee:
BASF Corporation, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/70 (2006.01); B01D 53/94 (2006.01); B01J 37/30 (2006.01); B01J 37/02 (2006.01); B01J 29/76 (2006.01); B01J 37/00 (2006.01);
U.S. Cl.
CPC ...
B01J 29/7015 (2013.01); B01D 53/9418 (2013.01); B01J 29/763 (2013.01); B01J 37/0246 (2013.01); B01J 37/30 (2013.01); B01D 53/9477 (2013.01); B01D 2251/2062 (2013.01); B01D 2255/50 (2013.01); B01D 2258/012 (2013.01); B01D 2258/014 (2013.01); B01J 37/0036 (2013.01); Y02T 10/12 (2013.01);
Abstract
Disclosed are zeolite catalysts having the CHA crystal structure with a low silica to alumina ratio, as well as articles and systems incorporating the catalysts and methods for their preparation and use. The catalysts can be used to reduce NOx from exhaust gas streams, particularly those emanating from gasoline or diesel engines.