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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.:

US 12298694 B1

PDFFull Text
Date of Patent:
May. 13, 2025

Filed:

May. 24, 2023

Fixing film and method of producing same, fixing device, and electrophotographic image forming apparatus

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Akeshi Asaka, Chiba, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Venable LLP

Primary Examiner:

John D Freeman

Int. Cl.
CPC ...
G03G 15/20 (2006.01); B32B 1/08 (2006.01); B32B 27/28 (2006.01); C08J 7/04 (2020.01); C09D 179/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2057 (2013.01); B32B 1/08 (2013.01); B32B 27/281 (2013.01); C08J 7/042 (2013.01); C09D 179/08 (2013.01); B32B 2307/746 (2013.01); B32B 2457/00 (2013.01); B32B 2597/00 (2013.01); C08J 2327/18 (2013.01); C08J 2379/08 (2013.01);
Abstract

A fixing film including: a substrate having a cylindrical shape; a sliding layer that is formed on an inner peripheral surface side of the substrate and includes a polyimide resin; and a release layer that is formed on an outer peripheral surface side of the substrate, wherein the sliding layer has a first film and a second film laminated in the stated order from a side closer to the substrate, wherein the first film includes a first structural unit represented by a specific formula, or the first structural unit and a second structural unit represented by a specific formula, the second film includes only the second structural unit, and a mass ratio (A):(B) of the first structural unit and the second structural unit contained in the first film is 100:0 to 60:40.

Find Patent Forward Citations

Asaka, Akeshi. (2025). Fixing film and method of producing same, fixing device, and electrophotographic image forming apparatus (U.S. Patent No. 12298694). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12298694

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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