Patent · US Expired

Electrophotographic photosensitive member with disazo or trisazo compound

US4427753A · kind A · utility

22Cited by
12References
76Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1982
Grant dateJan 24, 1984
Priority date
Expiry dateMay 24, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0687
  • WIPO fieldOptics
  • WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.