Patent · US Expired

Electrophotographic recording elements containing a combination of photoconductive perylene materials

US4968571A · kind A · utility

31Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 1989
Grant dateNov 6, 1990
Priority date
Expiry dateJul 21, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0657
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic recording element comprising a combination of photoconductive perylene materials that are dispersed in a binder to form layers having excellent photosensitivity and resistance to abrasion. The materials are perylene-3,4,9,10-tetracarboxylic acid imide derivatives that contain a phenethyl radical bonded to a 3,4-dicarboximide nitrogen atom.

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