Patent ID: 7985522

Claim:
An electrophotographic photoreceptor comprising: an electroconductive substrate; and a photosensitive layer provided on the electroconductive substrate, wherein the photosensitive layer comprises an organic pigment and a polyester resin containing at least one of the repeating units represented by the following formulae 1 and 2: wherein n is a positive integer and A is a compound having a structure represented by the following formula (A) wherein each of Ra 1 and Ra 2 independently represents a hydrogen atom or a monovalent substituent which may have a substituent, and each of n and m is independently an integer from 0 to 4, B is a compound having a structure represented by the following formula (B) wherein each of R 1 and R 2 independently represents an alkyl group, C is a compound having a structure represented by the following formula (C) wherein each of R 3 and R 4 independently represents an alkyl group.