Patent ID: 7205080

Claim:
An electrophotographic photoreceptor comprising: a conductive support; and a photosensitive layer disposed on said conductive support, wherein said photosensitive layer comprises an arylamine compound represented by formula (I): wherein: Ar 1 represents a phenyl group substituted by —R 5 —COO—R 6 , a substituted or unsubstituted monovalent polycyclic aromatic hydrocarbon group, and a substituted or unsubstituted monovalent heterocyclic group; Ar 2 represents a substituted or unsubstituted arylene group; R 1 represents a hydrogen atom, a halogen atom, an alkoxy group, or a substituted or unsubstituted alkyl group; R 2 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group; R 3 and R 4 each independently represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, at least one of R 3 and R 4 represents a substituted or unsubstituted aryl group, and R 3 and R 4 may be bound to form a ring via a single bond or a divalent group; R 5 represents an alkylene group having 1 to 4 carbon atoms; R 6 represents an alkyl group having 1 to 4 carbon atoms; and m represents an integral of from 0 to 4.