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:
Jan. 14, 2025
Filed:
Dec. 10, 2020
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Alexander Nicholas Green, Royston, GB;
Neil Greenham, Royston, GB;
Matthew Eben Harris, Royston, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/42 (2006.01); B01D 53/94 (2006.01); B01J 29/76 (2006.01); B01J 37/02 (2006.01);
U.S. Cl.
CPC ...
B01J 23/42 (2013.01); B01D 53/9436 (2013.01); B01J 29/7615 (2013.01); B01J 37/0246 (2013.01);
Abstract
A catalytic article for treating exhaust gas comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising a first platinum group metal (PGM) component and a support; a second catalytic region comprising a second PGM component on a support with low ammonia storage and a first SCR catalyst; and wherein the first catalytic region is covered by at least another catalytic region.