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:
Feb. 07, 2023
Filed:
Sep. 10, 2019
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Jillian Elaine Collier, Reading, GB;
Sanyuan Yang, Savannah, GA (US);
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/18 (2006.01); B01D 53/94 (2006.01); B01J 29/74 (2006.01); B01J 20/02 (2006.01); B01J 35/00 (2006.01); F01N 3/08 (2006.01); B01J 37/04 (2006.01); B01J 37/00 (2006.01); B01J 37/02 (2006.01); B01J 29/87 (2006.01); B01J 29/83 (2006.01); B01J 29/44 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); B01J 29/85 (2006.01); B01J 29/80 (2006.01); B01J 35/04 (2006.01); B01J 29/62 (2006.01); F01N 13/00 (2010.01); B01D 53/04 (2006.01);
U.S. Cl.
CPC ...
B01J 20/18 (2013.01); B01D 53/9422 (2013.01); B01D 53/9431 (2013.01); B01D 53/9477 (2013.01); B01D 53/9481 (2013.01); B01J 20/02 (2013.01); B01J 29/44 (2013.01); B01J 29/62 (2013.01); B01J 29/74 (2013.01); B01J 29/743 (2013.01); B01J 29/7415 (2013.01); B01J 29/80 (2013.01); B01J 29/83 (2013.01); B01J 29/85 (2013.01); B01J 29/87 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); B01J 37/0009 (2013.01); B01J 37/0244 (2013.01); B01J 37/0246 (2013.01); B01J 37/04 (2013.01); F01N 3/0814 (2013.01); F01N 3/0842 (2013.01); F01N 3/101 (2013.01); F01N 3/2066 (2013.01); F01N 13/009 (2014.06); B01D 53/0462 (2013.01); B01D 53/944 (2013.01); B01D 53/9418 (2013.01); B01D 53/9445 (2013.01); B01D 2253/108 (2013.01); B01D 2253/25 (2013.01); B01D 2255/10 (2013.01); B01D 2255/104 (2013.01); B01D 2255/106 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/1026 (2013.01); B01D 2255/1028 (2013.01); B01D 2255/50 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/91 (2013.01); B01D 2255/9155 (2013.01); B01D 2257/404 (2013.01); B01J 2229/186 (2013.01); B01J 2229/36 (2013.01); F01N 2370/02 (2013.01); F01N 2370/04 (2013.01); Y02T 10/12 (2013.01);
Abstract
A passive NOadsorber is disclosed. The passive NOadsorber is effective to adsorb NOat or below a low temperature and release the adsorbed NOat temperatures above the low temperature. The passive NOadsorber comprises a noble metal and a molecular sieve having an LTL Framework Type. The invention also includes an exhaust system comprising the passive NOadsorber, and a method for treating exhaust gas from an internal combustion engine utilizing the passive NOadsorber.