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:
Nov. 10, 2020
Filed:
Jun. 22, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Keiji Karube, Toride, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
The present disclosure provides an electrophotographic belt which contributes to stable formation of an electrophotographic image of high quality. The electrophotographic belt includes a base layer and a surface layer, wherein the surface layer contains a binder resin, a perfluoropolyether and a comb-shaped graft copolymer, the comb-shaped graft copolymer is a copolymer of an acrylate or methacrylate having a fluoroalkyl group and a methacrylate macromonomer having a polymethyl methacrylate as a side chain, the comb-shaped graft copolymer has a number average molecular weight of 11000 or higher and 15000 or lower, and the comb-shaped graft copolymer has a peak-top molecular weight of 24000 or higher and 40000 or lower.