Patent · US Expired

Method of removing surface ionic impurities on inorganic photoconductive material

US4183748A · kind A · utility

22Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1977
Grant dateJan 15, 1980
Priority date
Expiry dateSep 30, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/08
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

This invention is directed to photosensitive material for electrophotography and more particularly it is directed to the improvement of the properties with respect to humidity of photosensitive material by using photoconductive material in combination with ion exchange resin or by using photoconductive material which is previously washed in an aqueous solution in the presence of ion exchange resin.

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