Electrophotographic photosensitive material having a quinocyanin

Details Electrophotographic photosensitive material having a quinocyanin Electrophotographic photosensitive material having a quinocyanin

1977-09-30

1980-08-19

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 58, G03G 506

Patent

active

042185297

ABSTRACT:
An electrophotographic photosensitive material comprising an electrically conductive support having thereon a photoconductive layer containing, as an essential component, an organic photoconductive material, in which the photoconductive layer contains in a dispersed state a quinocyanine pigment represented by the following general formula (I) ##STR1## wherein A is selected from the group consisting of ##STR2## wherein B represents an unsubstituted or substituted alkyl group having 1 to 8 carbon atoms, an unsubstituted or substituted aromatic residue, a quinolinium residue, a halogen atom, a nitro group or a cyano group; R.sub.1 and R.sub.2, which may be the same or different, each represents an unsubstituted or substituted alkyl group having 1 to 8 carbon atoms or an allyl group; X represents an anion, and the two quinoline nuclei may have additional substituents.

REFERENCES:
patent: 2951841 (1960-09-01), Wilson
patent: 3482981 (1969-12-01), Van Lare
patent: 3796573 (1974-03-01), Jones
patent: 3879197 (1975-04-01), Bartlett et al.
patent: 3982935 (1976-09-01), Bartlett et al.

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