Electrophotographic disazo photoreceptor

Details Electrophotographic disazo photoreceptor Electrophotographic disazo photoreceptor

1990-07-31

1991-08-20

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 59, 430 76, 430 77, 430 78, 430 79, G03G 506, G03G 5047

Patent

active

050413490

ABSTRACT:
This invention provides an electrophotographic photoreceptor which is high in durability and high in sensitivity. This photoreceptor comprises an electroconductive support and, provided thereon, a photosensitive layer containing an azo pigment represented by the following formula [I] or [II]: ##STR1## wherein A represents a hydrogen atom, an alkyl group, a phenyl group or a heterocyclic ring group, m and n each represents 0 or 1, X represents a hydrogen atom, a lower alkyl group, a cyano group or a halogen atom and Cp represents a coupler residue, or ##STR2## wherein Z represents an alkyl group, a phenyl group or a heterocyclic ring group, X represents a hydrogen atom, a lower alkyl group, a cyano group or a halogen atom and Cp represents a coupler residue.

REFERENCES:
patent: 4619881 (1986-10-01), Makino et al.

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