Patent · US Expired

Electrophotographic light-sensitive element

US4415641A · kind A · utility

22Cited by
8References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 1982
Grant dateNov 15, 1983
Priority date
Expiry dateMar 2, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/067
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic light-sensitive element comprising a conductive support which supports a light-sensitive layer containing a carbazole derivative of the formula: ##STR1## wherein R.sub.1 is an aryl group, R.sub.2 is hydrogen, a halogen, an alkyl, an alkoxy, an amino or hydroxy group, and R.sub.3 is an aryl, or a heterocyclic group.

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