Bisazo compounds as charge generating materials

Details Bisazo compounds as charge generating materials Bisazo compounds as charge generating materials

1994-04-28

1997-04-22

Powers, Fiona T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534689, 534691, C09B 35023, C09B 3503, G03G 509

Patent

active

056230621

ABSTRACT:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support and a photoconductive layer formed thereon comprising a bisazo pigment having the formula (I) serving as a charge generating material: ##STR1## wherein Ar represents a residual group of a coupler represented by ArH selected from the group consisting of: an aromatic hydrocarbon compound having a hydroxyl group, a heterocyclic compound having a hydroxyl group, an aromatic hydrocarbon compound having an amino group, a heterocyclic compound having an amino group, an aromatic hydrocarbon compound having a hydroxyl group and an amino group, a heterocyclic compound having a hydroxyl group and an amino group, an aliphatic compound having an enolic ketone group, and an aromatic hydrocarbon compound having an enolic ketone group. Further, charge generating materials and novel bisazo pigments for use in the electrophotographic photoconductor are disclosed.

REFERENCES:
patent: 4486519 (1984-12-01), Sasaki
patent: 4830943 (1989-05-01), Sasaki et al.
patent: 5081233 (1992-01-01), Sasaki et al.

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