Patent ID: 7943276
Filing Date: 2011-05-17
Classification: G03G

Abstract:
1. 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 a charge transport material, an organic phosphite or organic phosphonite antioxidant selected from (a) phosphorous acid, bis[2,4-(1,1-dimethylethyl)-6-methylphenyl]ethyl ester; (b) [phosphorous acid-cyclic butylethyl propanediol, 2,4,6-tri-t-butylphenyl ester]; or (c) mixtures thereof, and a hydroquinone antioxidant, wherein the photogenerating layer is situated between the charge transport layer and the conductive substrate.