Patent ID: 6933089

Claim:
An imaging member comprising: a photogenerating layer; (1) a first charge transport layer formed from a mixture comprising a charge transport component and a resin binder; and thereover and in contact with the first layer (2) a second charge transport layer formed from a mixture comprising N,N′-diphenyl-N,N′-bis(alkylphenyl)-1,1-biphenyl-4,4′-diamine, a resin binder and a hindered phenol comprising tetrakis [methylene(3,5-di-tert-butyl-4-hydroxy hydrocinnamate)]methane or 2,6-di-tert-butyl-4-methylphenol dissolved in a solvent comprised of tetrahydrofuran and toluene, wherein said second charge transport layer binder comprises a polyphthalate represented by: where x represents the number of segments, and n is the degree of polymerization.