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:
May. 24, 2022
Filed:
May. 13, 2019
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Andrew Francis Chiffey, Ware, GB;
John Benjamin Goodwin, Royston, GB;
James Leeland, Royston, GB;
Francois Moreau, Royston, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01J 37/02 (2006.01); B01J 35/00 (2006.01); F01N 3/28 (2006.01); B01J 23/66 (2006.01); B01J 23/34 (2006.01); B01J 23/38 (2006.01); B01D 53/56 (2006.01); B01J 23/42 (2006.01); B01D 53/62 (2006.01); B01J 23/44 (2006.01); B01D 53/72 (2006.01); B01J 23/58 (2006.01); B01J 23/63 (2006.01); B01D 53/92 (2006.01); B01J 29/40 (2006.01); B01J 37/10 (2006.01); B01J 29/74 (2006.01); B01J 35/02 (2006.01); B01J 37/00 (2006.01); F01N 3/10 (2006.01); F01N 3/035 (2006.01); B01J 21/12 (2006.01); B01J 23/656 (2006.01); B01J 23/10 (2006.01); B01J 29/70 (2006.01); B01J 35/04 (2006.01); B01J 23/02 (2006.01); B01J 37/08 (2006.01);
U.S. Cl.
CPC ...
B01D 53/944 (2013.01); B01D 53/56 (2013.01); B01D 53/62 (2013.01); B01D 53/72 (2013.01); B01D 53/922 (2013.01); B01D 53/945 (2013.01); B01D 53/9454 (2013.01); B01D 53/9459 (2013.01); B01D 53/9468 (2013.01); B01D 53/9472 (2013.01); B01D 53/9477 (2013.01); B01J 21/12 (2013.01); B01J 23/02 (2013.01); B01J 23/10 (2013.01); B01J 23/34 (2013.01); B01J 23/38 (2013.01); B01J 23/42 (2013.01); B01J 23/44 (2013.01); B01J 23/58 (2013.01); B01J 23/63 (2013.01); B01J 23/6562 (2013.01); B01J 23/66 (2013.01); B01J 29/40 (2013.01); B01J 29/7007 (2013.01); B01J 29/7015 (2013.01); B01J 29/743 (2013.01); B01J 29/7415 (2013.01); B01J 35/0006 (2013.01); B01J 35/023 (2013.01); B01J 35/04 (2013.01); B01J 37/0036 (2013.01); B01J 37/0219 (2013.01); B01J 37/0228 (2013.01); B01J 37/0234 (2013.01); B01J 37/0236 (2013.01); B01J 37/0244 (2013.01); B01J 37/0246 (2013.01); B01J 37/086 (2013.01); B01J 37/10 (2013.01); F01N 3/035 (2013.01); F01N 3/103 (2013.01); F01N 3/106 (2013.01); F01N 3/281 (2013.01); F01N 3/2828 (2013.01); F01N 3/2882 (2013.01); B01D 2201/62 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/2042 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2073 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/20707 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/20776 (2013.01); B01D 2255/30 (2013.01); B01D 2255/40 (2013.01); B01D 2255/50 (2013.01); B01D 2255/502 (2013.01); B01D 2255/504 (2013.01); B01D 2255/902 (2013.01); B01D 2255/903 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/91 (2013.01); B01D 2255/912 (2013.01); B01D 2257/404 (2013.01); B01D 2257/502 (2013.01); B01D 2257/702 (2013.01); F01N 2330/02 (2013.01); F01N 2330/06 (2013.01); F01N 2370/02 (2013.01); F01N 2510/06 (2013.01); F01N 2510/0682 (2013.01); F01N 2510/0684 (2013.01); F01N 2570/10 (2013.01); F01N 2570/12 (2013.01); F01N 2570/14 (2013.01); Y02A 50/20 (2018.01);
Abstract
An oxidation catalyst for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a first washcoat region comprising platinum (Pt), manganese (Mn) and a first support material; a second washcoat region comprising a platinum group metal (PGM) and a second support material; and a substrate having an inlet end and an outlet end; wherein the second washcoat region is arranged to contact the exhaust gas at the outlet end of the substrate and after contact of the exhaust gas with the first washcoat region.