Patent ID: 8057974

Claim:
An imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, and a charge transport layer in contact with the photogenerating layer, said charge transport layer comprising (1) a N,N,Nâ€²Nâ€²-tetra(4-methylphenyl)-(1,1â€²-biphenyl)-4,4â€²-diamine charge transport material in an amount of from about 30 to about 60 percent by weight, (2) a vinyl chloride/vinyl acetate/maleic acid terpolymer in an amount of from about 1 to about 15 percent by weight, and (3) a 2,5-di-tert-amyl-1,4-hydroquinone antioxidant in an amount of from about 1 to about 15 percent by weight, wherein the photogenerating layer is situated between the charge transport layer and the conductive substrate.