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. 07, 2025

Filed:

Jul. 26, 2021
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Yuhei Terui, Shizuoka, JP;

Shohei Yamashita, Tokyo, JP;

Tsutomu Shimano, Shizuoka, JP;

Koji Nishikawa, Shizuoka, JP;

Kohei Matsuda, Kanagawa, JP;

Yuki Nishizawa, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 11/08 (2006.01); B32B 7/12 (2006.01); B32B 29/00 (2006.01); C08F 212/08 (2006.01); C08F 220/18 (2006.01); C08K 5/23 (2006.01); C08K 5/3417 (2006.01); C08K 5/3437 (2006.01); C08K 5/3447 (2006.01); C09J 5/06 (2006.01); C09J 11/06 (2006.01); C09J 125/06 (2006.01); C09J 133/10 (2006.01); D21H 19/42 (2006.01); D21H 19/60 (2006.01);
U.S. Cl.
CPC ...
C09J 11/08 (2013.01); B32B 7/12 (2013.01); B32B 29/005 (2013.01); C08F 212/08 (2013.01); C08F 220/1806 (2020.02); C08K 5/235 (2013.01); C08K 5/3417 (2013.01); C08K 5/3437 (2013.01); C08K 5/3447 (2013.01); C09J 5/06 (2013.01); C09J 11/06 (2013.01); C09J 125/06 (2013.01); C09J 133/10 (2013.01); D21H 19/42 (2013.01); D21H 19/60 (2013.01); C08F 2800/20 (2013.01); C09J 2400/286 (2013.01); C09J 2425/00 (2013.01); C09J 2433/00 (2013.01); C09J 2491/00 (2013.01);
Abstract

The powder adhesive comprises a thermoplastic resin and particles of an aromatic compound, wherein the particles of an aromatic compound are particles of a compound that has an aromatic ring and an azo bond bonded to the aromatic ring, or are particles of a compound comprising a heteroaromatic ring comprising nitrogen atom; the thermoplastic resin comprises an ester group; and, designating Es (mmol/g) as an ester group concentration in the thermoplastic resin, M (mass %) as a content of the aromatic compound particles in the powder adhesive, and N (mmol/g) as a nitrogen atom concentration in the aromatic compound particles, Es is from 1.0 mmol/g to 4.5 mmol/g, M is from 1.0×10mass % to 1.0×10mass %, and N is from 5.0 mmol/g to 15.0 mmol/g.


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