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. 29, 2022
Filed:
Nov. 05, 2018
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 35/04 (2006.01); B01D 53/94 (2006.01); F01N 3/28 (2006.01); C04B 38/00 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
B01J 35/04 (2013.01); B01D 53/9454 (2013.01); C04B 38/0006 (2013.01); F01N 3/2828 (2013.01); C04B 2111/0081 (2013.01); C04B 2111/00793 (2013.01); F01N 2330/06 (2013.01); F01N 2330/34 (2013.01); F01N 2330/60 (2013.01);
Abstract
A honeycomb structure includes a honeycomb structure body having porous partition walls, wherein a value of a porosity of the partition wall in a partitioning wall portion between the two cells is defined as a porosity A, a value of a porosity of the partition wall in an intersecting portion that is a region connecting two or more wall portions is defined as a porosity B, a value of A/B obtained by dividing the porosity A by the porosity B is from 0.5 to 0.95, and the porosity A is from 10 to 40%.