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.

Date of Patent:
Jan. 28, 2025

Filed:

Aug. 30, 2021
Applicant:

Ngk Insulators, Ltd., Nagoya, JP;

Inventors:

Takafumi Kimata, Nagoya, JP;

Yukio Miyairi, Nagoya, JP;

Masaaki Masuda, Nagoya, JP;

Kazuya Hosoda, Nagoya, JP;

Assignee:

NGK INSULATORS, LTD., Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/28 (2006.01); B01D 39/20 (2006.01); B01D 46/24 (2006.01); B01D 53/94 (2006.01); C04B 38/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2828 (2013.01); B01D 39/2068 (2013.01); B01D 46/2429 (2013.01); B01D 46/24491 (2021.08); B01D 46/24492 (2021.08); B01D 46/24494 (2021.08); B01D 46/2474 (2013.01); B01D 46/248 (2021.08); B01D 46/2482 (2021.08); B01D 53/94 (2013.01); C04B 38/0006 (2013.01); C04B 38/0054 (2013.01); C04B 38/0058 (2013.01); C04B 38/0096 (2013.01); B01D 2255/9155 (2013.01); F01N 2330/06 (2013.01); F01N 2370/02 (2013.01);
Abstract

A pillar shaped honeycomb structure, including: an outer peripheral wall; and a porous partition wall disposed inside the outer peripheral wall, the a porous partition wall defining a plurality of cells, each of the cells extending from one end face to other end face to form a flow path, wherein a surface of the porous partition wall in the cells comprise a collecting layer having an average pore diameter lower than that of the porous partition wall; and wherein magnetic particles having a Curie point of 700° C. or higher are provided either or both between the surfaces of the porous partition wall and the collecting layer, and on the collecting layer.


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