Patent · US Expired

Electrophotographic imaging member

US5110700A · kind A · utility

5Cited by
18References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 1990
Grant dateMay 5, 1992
Priority date
Expiry dateDec 28, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/142
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic imaging member includes a blocking layer formed from a maleic acid half ester copolymer which has free acid groups neutralized by an alkali metal. The imaging member may be provided with a conductive layer formed from a phenolic resin and dispersed carbon black particles in an amount which allows sufficient transparency for rear erasure.

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