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:
Mar. 19, 2019
Filed:
Mar. 29, 2017
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Satoshi Sumiya, Sakura, JP;
Daisuke Yokota, Sakura, JP;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/04 (2006.01); B01J 23/44 (2006.01); B01J 35/04 (2006.01); F01N 3/022 (2006.01); F01N 3/035 (2006.01); B01D 46/24 (2006.01); B01J 35/00 (2006.01); B01J 37/02 (2006.01); B01D 53/94 (2006.01); F01N 3/021 (2006.01);
U.S. Cl.
CPC ...
F01N 3/035 (2013.01); B01D 46/2418 (2013.01); B01D 53/944 (2013.01); B01D 53/9454 (2013.01); B01J 21/04 (2013.01); B01J 23/44 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); B01J 37/0219 (2013.01); F01N 3/021 (2013.01); F01N 3/0222 (2013.01); B01D 2255/104 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/1026 (2013.01); B01D 2255/202 (2013.01); B01D 2255/204 (2013.01); B01D 2255/206 (2013.01); B01D 2255/2022 (2013.01); B01D 2255/2027 (2013.01); B01D 2255/2042 (2013.01); B01D 2255/2045 (2013.01); B01D 2255/2047 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/20792 (2013.01); B01D 2255/908 (2013.01); B01D 2255/9155 (2013.01); B01D 2255/9202 (2013.01); B01D 2255/9205 (2013.01); F01N 2330/06 (2013.01); F01N 2510/0682 (2013.01); Y02T 10/22 (2013.01);
Abstract
Provided is an exhaust gas purification filter including a substrate comprising a plurality of porous partitions, wherein the partitions form an exhaust gas flow path, a porous catalytic layer is provided on the partitions and the catalytic layer having a thickness of 10 μm or greater is provided over at least 20% of the total length of the partitions in the lengthwise direction thereof, and the catalytic layer having a thickness of 10 μm or greater is not present on the partitions 15 mm from an outflow side.