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. 11, 2021
Filed:
Dec. 06, 2019
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/76 (2006.01); B01J 37/02 (2006.01); B01J 29/72 (2006.01); B01J 35/04 (2006.01); B01J 29/44 (2006.01); B01J 23/42 (2006.01); B01J 29/40 (2006.01); B01J 35/00 (2006.01); B01J 37/08 (2006.01); B01D 53/94 (2006.01); F01N 13/00 (2010.01); F01N 3/20 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
B01J 29/76 (2013.01); B01D 53/9418 (2013.01); B01D 53/9436 (2013.01); B01D 53/9468 (2013.01); B01D 53/9472 (2013.01); B01J 23/42 (2013.01); B01J 29/40 (2013.01); B01J 29/44 (2013.01); B01J 29/72 (2013.01); B01J 29/723 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); B01J 37/0215 (2013.01); B01J 37/0236 (2013.01); B01J 37/0244 (2013.01); B01J 37/0246 (2013.01); B01J 37/0248 (2013.01); B01J 37/08 (2013.01); F01N 3/2066 (2013.01); F01N 3/28 (2013.01); F01N 13/0097 (2014.06); B01D 2255/1021 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/50 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/9035 (2013.01); F01N 2510/063 (2013.01); F01N 2570/14 (2013.01); F01N 2570/18 (2013.01);
Abstract
A catalytic article for treating an exhaust gas stream containing particulate matter, hydrocarbons, CO, and ammonia, the article may include: (a) a substrate having an inlet end and an outlet end defining an axial length; (b) a first catalyst coating including: 1) a platinum group metal distributed on a molecular sieve, and 2) a base metal distributed on a molecular sieve; and (c) a second catalyst coating including: 1) a platinum group metal distributed on a molecular sieve, and 2) a base metal distributed on a molecular sieve.