Electrophotographic photosensitive member with disazo or trisazo

Details Electrophotographic photosensitive member with disazo or trisazo Electrophotographic photosensitive member with disazo or trisazo

1982-05-24

1984-01-24

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 59, 430 70, 430 71, 430 72, 430 73, 430 74, 430 75, 430 76, 430 77, 430 78, 430 79, 260152, 260154, 260155, 260156, 260157, 260158, 260164, 260169, 260174, G03G 506

Patent

active

044277539

ABSTRACT:
An electrophotographic photosensitive member comprises a layer containing at least one azo pigment represented by the following formula (I): ##STR1## in the formula, Cp represents a coupler residue; A.sub.1 and A.sub.2 each represent a divalent organic residue; n represents 0 or 1; and when n is 0, A.sub.3 represents substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or --(CH.dbd.CH).sub.l --R', wherein R' is a substituted or unsubstituted heterocyclic ring residue an l is 0, 1 or 2, and when n is 1, A.sub.3 represents a divalent organic residue.

REFERENCES:
patent: 3775105 (1973-11-01), Kukla
patent: 3884691 (1975-05-01), Rochlitz
patent: 4024125 (1977-05-01), Kunstmann et al.
patent: 4118232 (1978-10-01), Piller et al.
patent: 4251614 (1981-02-01), Sasaki et al.
patent: 4256821 (1981-03-01), Enomoto et al.
patent: 4260672 (1981-04-01), Sasaki
patent: 4272598 (1981-06-01), Sasaki et al.
patent: 4279981 (1981-07-01), Ohta et al.
patent: 4297426 (1981-10-01), Sakai et al.
patent: 4314016 (1982-02-01), Ohta et al.
patent: 4359515 (1982-11-01), Katagiri et al.

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