Patent · US Expired

Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same

US5558964A · kind A · utility

2Cited by
6References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1994
Grant dateSep 24, 1996
Priority date
Expiry dateDec 12, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0696
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An to an electrophotographic photosensitive member includes a photosensitive layer containing a specified oxytitanium phthalocyanine and a polyvinyl acetal resin having a structural unit represented by Formula: ##STR1## wherein X is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group; and Y is a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group. The photosensitive member maintains a low residual potential without deterioration of the sensitivity during repeated use.

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