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. 08, 2016
Filed:
Sep. 30, 2014
Ibiden Co., Ltd., Ogaki-shi, JP;
Naoyuki Jinbo, Ibi-gun, JP;
Takafumi Kasuga, Ibi-gun, JP;
Misako Makino, Ibi-gun, JP;
Saiduzzaman Md, Ibi-gun, JP;
IBIDEN CO., LTD., Ogaki-shi, JP;
Abstract
A honeycomb filter includes a ceramic honeycomb substrate, an auxiliary filter layer, an SCR catalyst, and a portion. The ceramic honeycomb substrate has cell walls provided along a longitudinal direction of the ceramic honeycomb substrate to define cells through which fluid is to pass and which have a fluid inlet end and a fluid outlet end opposite to the fluid inlet end along the longitudinal direction. The cells include first cells and second cells. The auxiliary filter layer is provided on first surfaces of first cell walls of the first cells. The SCR catalyst is supported on second surfaces of second cell walls of the second cells. The second surfaces substantially correspond to the first surfaces. The portion satisfies a<b. 'a' (μm) represents an average pore diameter of pores of the auxiliary filter layer, and 'b' (μm) represents an average particle diameter of particles constituting the SCR catalyst.