Patent · US Expired

Electrophotographic photosensitive member with disazo pigment

US4963450A · kind A · utility

11Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1989
Grant dateOct 16, 1990
Priority date
Expiry dateJan 13, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0679
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A laminated layer type electrophotographic photosensitive member has a charge generation layer and a charge transport layer on an electroconductive support, characterized in that the charge generation layer has at least one of disazo pigments represented by the formulae (1) and (2).

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