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:
Feb. 17, 2026

Filed:

Sep. 21, 2022
Applicant:

Proterial, Ltd., Tokyo, JP;

Inventors:

Shunji Okazaki, Fukuoka, JP;

Kenichiro Shimizu, Fukuoka, JP;

Toshitaka Ishizawa, Tokyo, JP;

Assignee:

PROTERIAL, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 38/00 (2006.01); B01D 39/20 (2006.01); B01D 46/00 (2022.01); B01D 46/24 (2006.01);
U.S. Cl.
CPC ...
C04B 38/0019 (2013.01); B01D 39/2068 (2013.01); B01D 46/0001 (2013.01); B01D 46/2448 (2013.01); B01D 46/2455 (2013.01); B01D 46/2478 (2021.08); B01D 2239/10 (2013.01); B01D 2279/30 (2013.01); C04B 2235/94 (2013.01); C04B 2235/9607 (2013.01);
Abstract

A ceramic honeycomb structure comprising pluralities of honeycomb segments each having pluralities of longitudinally penetrating flow paths partitioned by porous cell walls and plugs formed in the end portions of the flow paths, and a bonding material layer boding the peripheral walls of the honeycomb segments, the bonding material layer comprising silicon carbide particles as aggregate and a bonding phase bonding the silicon carbide particles, the bonding phase comprising at least a cordierite phase and a spinel phase, the molar ratio M1 of the cordierite phase [=cordierite phase/(cordierite phase+spinel phase)] being 0.50 or more and less than 1.0, and the content of (cordierite phase+spinel phase) in the bonding phase being 50% or more by mass.


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Okazaki, Shunji. (2026). Ceramic honeycomb structure and its production method (U.S. Patent No. 12552723). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12552723

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