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:
Nov. 01, 2022
Filed:
Mar. 08, 2011
Applicants:
Andrew Francis Chiffey, Ware, GB;
Gavin Michael Brown, Essex, GB;
Inventors:
Andrew Francis Chiffey, Ware, GB;
Gavin Michael Brown, Essex, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); B01D 53/94 (2006.01); F01N 3/035 (2006.01); F01N 3/08 (2006.01);
U.S. Cl.
CPC ...
B01D 53/9454 (2013.01); F01N 3/035 (2013.01); F01N 3/0814 (2013.01); F01N 3/0821 (2013.01); F01N 3/0842 (2013.01); F01N 2370/02 (2013.01); Y02A 50/20 (2018.01); Y02T 10/12 (2013.01);
Abstract
An exhaust gas aftertreatment system for a diesel-engined vehicle, which system comprising a NOStorage Catalyst (NSC) followed in a downstream direction by a Catalysed Soot Filter (CSF), wherein the CSF comprises an oxidative catalyst comprising a palladium-rich weight ratio of platinum and palladium.