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. 27, 2017
Filed:
May. 30, 2014
Johnson Matthey Public Limited Company, London, GB;
Hai-Ying Chen, Conshohocken, PA (US);
Debnath De, Malvern, PA (US);
Wendy Manning, Barto, PA (US);
Julian Peter Cox, Malvern, PA (US);
Johnson Matthey Public Limited Company, London, GB;
Abstract
Provided is a diesel particulate filter capable of removing soot from an exhaust gas while operating at low backpressure, the filter comprising (a) a wall-flow filter substrate having a mean pore size, an inlet side, an outlet side, and a porous interior between the inlet and outlet sides; and (b) a catalyst composition coated from the outlet side of the substrate, wherein the catalyst composition has a dparticle size distribution, wherein the dparticle size distribution is greater than or equal to the mean pore size divided by 4.9, and wherein the inlet side is substantially free of a catalyst coating.