Patent ID: 6905804
Filing Date: 2005-06-14
Classification: C07C,C07D,G03G

Abstract:
1. An organophotoreceptor comprising: (a) at least one charge transport material comprising a fluorenone hydrazones having a combination of groups thereon, the combination of groups being selected from the group consisting of a) at least two fluorenone alkylsulfonylphenylhydrazone groups, b) at least two fluorenone pyrrolylhydrazone groups, c) at least two fluorenone benzotriazolylhydrazone groups, d) at least two fluorenone sulfolanylhydrazone groups, e) at least two fluorenone pyrazolylhydrazone groups, f) at least two fluorenone naphthylhydrazone groups, g) at least two fluorenone tetrazolylhydrazone groups, h) at least two fluorenone stilbenylhydrazone groups, and i) at least two fluorenone (9H-fluoren-9-ylidene)benzylhydrazone groups; (b) a charge generating compound; and (c) an electrically conductive substrate.