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:
Jul. 07, 2026
Filed:
Dec. 18, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Hiroomi Kojima, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electrophotographic belt comprising a cylindrical film as a base layer, wherein the cylindrical film comprises a crystalline polyester, an amorphous polyester and a carbon black, a content ratio of the carbon black in the cylindrical film is 2.0% by mass or more, an average alignment degree Fc1 and an average alignment angle Φc1 of the carbon black in the circumferential direction of the cylindrical film are 0.30 or more and −10° to +10°, respectively, the cylindrical film has a first phase comprising the amorphous polyester and the carbon black, and a second phase comprising the crystalline polyester, and the second phase further comprises a (meth)acrylic resin having a structure represented by formula (a) below: