Patent · US Expired

Photoconductive device comprising polyimide film

US5158619A · kind A · utility

6Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 1991
Grant dateOct 27, 1992
Priority date
Expiry dateApr 9, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/549
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A photoconductive device employs an organic film between a pair of electrodes where the organic film is a polymer having a carbazole skeleton and an imide linkage in a repeating unit of the general formula: ##STR1## where R.sup.1 denotes a tetravalent organic group having 5 to 13 carbons.

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