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. 13, 2021
Filed:
Mar. 28, 2018
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Guy Richard Chandler, Royston, GB;
Gregory Richard Gregori, Royston, GB;
Paul Richard Phillips, Royston, GB;
Jonathan David Radcliffe, Royston, GB;
Stuart Reid, Royston, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/04 (2006.01); B01J 21/06 (2006.01); B01J 21/08 (2006.01); B01J 21/10 (2006.01); B01J 21/14 (2006.01); B01J 23/10 (2006.01); B01J 23/38 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/50 (2006.01); B01J 23/52 (2006.01); B01J 23/63 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); B01J 35/04 (2006.01); F01N 3/08 (2006.01); B01D 53/94 (2006.01); B01J 37/02 (2006.01);
U.S. Cl.
CPC ...
B01J 23/63 (2013.01); B01D 53/9422 (2013.01); B01J 35/0006 (2013.01); B01J 35/023 (2013.01); B01J 35/04 (2013.01); B01J 37/0219 (2013.01); B01J 37/0228 (2013.01); B01J 37/0244 (2013.01); B01J 37/0248 (2013.01); F01N 3/0814 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2068 (2013.01); B01D 2255/9025 (2013.01); B01D 2255/91 (2013.01); B01J 37/0246 (2013.01); F01N 2370/00 (2013.01); F01N 2510/0684 (2013.01); Y02T 10/12 (2013.01);
Abstract
A lean NOtrap catalyst and its use in an emission treatment system for internal combustion engines is disclosed. The lean NOtrap catalyst comprises a first layer, a second layer, and a third layer.