Electrophotographic photoreceptor comprising azo compound and co

Details Electrophotographic photoreceptor comprising azo compound and co Electrophotographic photoreceptor comprising azo compound and co

1988-12-22

1990-03-27

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 72, 430 58, G03G 506

Patent

active

049120018

ABSTRACT:
An electrophotographic photoreceptor is provided with a photosensitive layer, which contains an azo compound having in the molecule thereof at least one azo group coupled with a couple residuum represented by the following general formula (I): ##STR1## wherein X means an atomic group necessary for condensing with a benzene ring to form a substituted or unsubstituted aromatic hydrocarbon ring, or substituted or unsubstituted aromatic heterocyclic ring, Y denotes a radical selected from the group consisting of hydrogen, halogen atoms, cyano radicals, and substituted or unsubstituted alkyl, or alkoxy group, and n stands for an integer of 0.about.4, R.sub.1 and R.sub.2 designate, respectively, hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alalkyl, substituted or unsubstituted aromatic hydrocarbon ring or substituted or unsubstituted aromatic heterocyclic ring, and said R.sub.1 and R.sub.2 may be mutually same or different, or may form a ring together with nitrogen atom.

REFERENCES:
patent: 4356243 (1982-10-01), Ishikawa et al.

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