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:
Feb. 05, 2019
Filed:
Oct. 31, 2016
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Gavin Michael Brown, Royston, GB;
Andrew Francis Chiffey, Royston, GB;
Jonathan David Radcliffe, Royston, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01J 21/04 (2006.01); B01J 21/10 (2006.01); B01J 23/00 (2006.01); B01J 23/02 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/56 (2006.01); B01J 23/58 (2006.01); B01J 35/04 (2006.01); B01J 35/10 (2006.01); B01J 37/02 (2006.01); F01N 3/035 (2006.01); F01N 3/08 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
B01D 53/944 (2013.01); B01D 53/9472 (2013.01); B01D 53/9477 (2013.01); B01J 21/10 (2013.01); B01J 23/40 (2013.01); B01J 35/04 (2013.01); B01J 35/1014 (2013.01); B01J 35/1019 (2013.01); B01J 37/0244 (2013.01); F01N 3/035 (2013.01); F01N 3/0842 (2013.01); F01N 3/106 (2013.01); F01N 3/2066 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/2047 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/9155 (2013.01); B01D 2255/9207 (2013.01); B01D 2258/012 (2013.01); B01J 23/58 (2013.01); B01J 37/0215 (2013.01); F01N 2330/06 (2013.01); F01N 2370/04 (2013.01); F01N 2510/0682 (2013.01); F01N 2900/1602 (2013.01); Y02A 50/2325 (2018.01); Y02T 10/24 (2013.01);
Abstract
A catalysed soot filter comprises an oxidation catalyst for oxidizing NO to NOand/or oxidizing CO to COand/or HC to COand HO disposed on a wall flow filter monolithic substrate, the oxidation catalyst comprising: a platinum group metal component, and a pre-calcined support material comprising a mixed magnesium aluminium metal oxide having a magnesium content, calculated as Mg, of 15 wt % Mg or lower.