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:
Jun. 05, 2018
Filed:
Apr. 20, 2017
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Andrew Francis Chiffey, Royston, GB;
Neil Robert Collins, Royston, GB;
John Benjamin Goodwin, Royston, GB;
Francois Moreau, Royston, GB;
Paul Richard Phillips, 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 21/12 (2006.01); B01J 23/10 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/56 (2006.01); B01J 23/63 (2006.01); B01J 29/03 (2006.01); B01J 29/04 (2006.01); B01J 29/06 (2006.01); B01J 35/04 (2006.01); B01D 53/94 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F01N 3/28 (2006.01); B01J 37/02 (2006.01); B01J 35/00 (2006.01); B01J 23/58 (2006.01); B01J 29/70 (2006.01); B01J 29/74 (2006.01);
U.S. Cl.
CPC ...
B01J 23/63 (2013.01); B01D 53/944 (2013.01); B01D 53/9468 (2013.01); B01D 53/9472 (2013.01); B01D 53/9477 (2013.01); B01J 23/42 (2013.01); B01J 23/58 (2013.01); B01J 29/7007 (2013.01); B01J 29/7415 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); B01J 37/0244 (2013.01); B01J 37/0246 (2013.01); F01N 3/106 (2013.01); F01N 3/20 (2013.01); F01N 3/2842 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/2042 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/30 (2013.01); B01D 2255/50 (2013.01); B01D 2255/502 (2013.01); B01D 2255/908 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/91 (2013.01); B01D 2258/012 (2013.01); B01J 37/0225 (2013.01); B01J 37/0234 (2013.01); F01N 2370/04 (2013.01); Y02C 20/10 (2013.01);
Abstract
An oxidation catalyst for treating an exhaust gas from a compression ignition engine, which oxidation catalyst comprises: a substrate; a first washcoat region comprising palladium (Pd) and a first support material comprising cerium oxide; and a second washcoat region comprising platinum (Pt) and a second support material.