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:
Aug. 31, 2021
Filed:
Feb. 12, 2019
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Andrew Francis Chiffey, Royston, GB;
Jack Corps, Royston, GB;
Laura Mitchell-Downie, Royston, GB;
Francois Moreau, Royston, GB;
Matthew O'Brien, Royston, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/78 (2006.01); B01D 53/94 (2006.01); F01N 3/08 (2006.01); F01N 13/00 (2010.01); B01J 21/04 (2006.01); B01J 21/12 (2006.01); B01J 23/44 (2006.01); B01J 23/63 (2006.01); B01J 23/656 (2006.01); B01J 29/74 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01);
U.S. Cl.
CPC ...
B01J 29/7815 (2013.01); B01D 53/9422 (2013.01); B01D 53/9481 (2013.01); B01J 21/04 (2013.01); B01J 21/12 (2013.01); B01J 23/44 (2013.01); B01J 23/63 (2013.01); B01J 23/6562 (2013.01); B01J 29/74 (2013.01); B01J 29/743 (2013.01); B01J 35/0006 (2013.01); B01J 35/02 (2013.01); F01N 3/0814 (2013.01); F01N 3/0842 (2013.01); F01N 13/009 (2014.06); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2066 (2013.01); B01D 2255/2073 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/2096 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/40 (2013.01); B01D 2255/50 (2013.01); B01D 2255/502 (2013.01); B01D 2255/908 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9035 (2013.01); B01D 2255/91 (2013.01); B01D 2255/915 (2013.01); F01N 2370/04 (2013.01); F01N 2510/063 (2013.01); F01N 2570/14 (2013.01); F01N 2570/16 (2013.01); Y02A 50/20 (2018.01);
Abstract
A NOabsorber catalyst for treating an exhaust gas from a lean burn engine. The NOabsorber catalyst comprises a molecular sieve catalyst comprising a noble metal and a molecular sieve, wherein the molecular sieve contains the noble metal; an oxygen storage material for protecting the molecular sieve catalyst; and a substrate having an inlet end and an outlet end.