Sulfonyldiphenylene based charge transport compositions

Details Sulfonyldiphenylene based charge transport compositions Sulfonyldiphenylene based charge transport compositions

2006-04-11

2006-04-11

Goodrow, John L (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

C430S126200

Reexamination Certificate

active

07026089

ABSTRACT:
This invention relates to a novel electrophotographic imaging process that includes:(a) applying an electrical charge to a surface of an organophotoreceptor comprising:(i) a charge transport composition comprising molecules having the formulawhere the average n is between 1 and 1000;R1and R2are, independently, hydrogen, alkyl, unsaturated hydrocarbon, ether, cycloalkyl, or aryl;X is a bis(fluorene-4-carboxyl)alkane group;Y is a sulfonyldiphenylene;Z is X═O or two hydrogens; andQ is O or N—N(R1)—Y—N(R2)—NH2;(ii) a charge generating compound; and(iii) an electrically conductive substrate over which said charge transport composition and said charge generating compound are located;(b) imagewise exposing said surface of said organophotoreceptor to radiation to dissipate charge in selected areas and thereby form a pattern of charged and uncharged areas on said surface;(c) contacting said surface with a toner to create a toned image; and(d) transferring said toned image to a substrate.

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