Sulfonyldiphenylene-based charge transport compositions

Details Sulfonyldiphenylene-based charge transport compositions Sulfonyldiphenylene-based charge transport compositions

2005-03-08

2005-03-08

Chapman, Mark A. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

C430S058450, C564S251000

Reexamination Certificate

active

06864025

ABSTRACT:
This invention relates to a novel organophotoreceptor that includes:(a) a charge transport composition comprising molecules having the formulawhere the average n is between 1 and 1000;R1, R2, R3, and R4are, independently, hydrogen, a branched or linear alkyl group (e.g., a C1-C30alkyl group), a branched or linear unsaturated hydrocarbon group, an ether group, a cycloalkyl group (e.g. a cyclohexyl group), or an aryl group (e.g., a phenyl or naphthyl group);X is a divalent carbazole group or a divalent biscarbazole alkane group;Y is a divalent sulfonyldiphenylene group;Z is C(R4)—X—C(R3)═O double-bonded to the adjacent N or two hydrogens where each hydrogen is independently single-bonded to the adjacent N; andQ is O or N—N(R1)—Y—N(R2)—NH2;(b) a charge generating compound; and(c) an electrically conductive substrate over which the charge transport composition and the charge generating compound are located.

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