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:
Dec. 30, 2025
Filed:
Dec. 06, 2024
Sumitomo Riko Company Limited, Aichi, JP;
Sumitomo Riko Company Limited, Aichi, JP;
Abstract
A belt memberfor an electrophotographic apparatus has: a surface layerprovided on an outer circumferential surface of a tubular base layer, the surface layer serving as a cured resin composition including: for 100 parts by mass of a fluorine resin having a hydroxyl group, 10 or more and 30 or less parts by mass or less of an isocyanate curing agent having isocyanate groups at both ends and having a molecular weight of 600 g/mol or more and 4000 g/mol or less or 5 or more and 18 or less parts by mass of an isocyanate curing agent having an isocyanate group at a single end; and 5 or more and 10 or less parts by mass of a fluorine-based surfactant, and 1.0 or more and 5 or less parts by mass of a silane coupling agent having an amino group or an isocyanate group.