ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
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United States of America Patent
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Issued Date -
Feb 1, 2024
app pub date -
Apr 10, 2023
filing date -
Jul 22, 2022
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Abstract
An electrophotographic photoreceptor includes a conductive substrate, and a lamination type photosensitive layer including a charge generation layer and a charge transport layer or a single layer type photosensitive layer that is a photosensitive layer disposed on the conductive substrate, in which the charge transport layer or the single layer type photosensitive layer is an outermost layer and contains a charge transport material, a polyester resin having a dicarboxylic acid unit (A) represented by Formula (A), and a compound that has a molecular weight of 255 or greater, has a phenol skeleton in which a primary carbon atom or a secondary carbon atom is bonded to one ortho position and a tertiary carbon atom or a quaternary carbon atom is bonded to the other ortho position, and has no linear alkylene structure having 4 or more carbon atoms.
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