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. 27, 2018
Filed:
Jan. 07, 2016
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventor:
Satoshi Sumiya, Sakura, JP;
Assignee:
Johnson Matthey Japan G.K., Sakura-shi, Tochigi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
B01D 53/944 (2013.01); B01D 2255/104 (2013.01); B01D 2255/106 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/1026 (2013.01); B01D 2255/1028 (2013.01); B01D 2255/908 (2013.01); B01D 2255/9155 (2013.01);
Abstract
The present invention provides a filter comprising a base material and a catalytic substance provided within the base material, wherein the base material comprises a plurality of cells forming gas flow paths and having a gas inflow-side end portion and outflow-side end portion, and a plurality of porous partition walls defining said cells, the end portions of at least some of the cells being closed off, and the void occupancy of the catalytic substance within the pores of the partition walls is 10% or less.