Layered organic electrophotographic photoconductor element compr

Details Layered organic electrophotographic photoconductor element compr Layered organic electrophotographic photoconductor element compr

1981-11-30

1983-08-23

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 76, 430900, 430 78, 430 58, G03G 506

Patent

active

044004559

ABSTRACT:
A layered electrophotographic photoconductor whose charge generation layer comprises a bisazo pigment selected from the group consisting of the bisazo pigments represented by the following general formula (1) and whose charge transport layer contains a charge transport material selected from the group consisting of the hydrazone compounds represented by the following general formula (2): ##STR1## wherein A represents --C.sub.6 H.sub.4 --Cl(o), --C.sub.6 H.sub.4 --Cl(m), --C.sub.6 H.sub.4 --Br(o), --C.sub.6 H.sub.4 --Br(m), --C.sub.6 H.sub.4 --F(o), --C.sub.6 H.sub.4 --F(m), --C.sub.6 H.sub.4 --F(p), or --C.sub.6 H.sub.4 --I(m); ##STR2## wherein R.sup.1 represents a methyl group, an ethyl group, a 2-hydroxyethyl group or a 2-chloroethyl group; R.sup.2 represents a methyl group, an ethyl group, a benzyl group or a phenyl group; and R.sup.3 represents hydrogen, chloride, bromide, an alkyl group with one to four carbon atoms, an alkoxy group with one to four carbon atoms, a dialkylamino group, or a nitro group.

REFERENCES:
patent: 4247614 (1981-01-01), Ohta et al.
patent: 4256821 (1981-03-01), Enomoto

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