Patent · US Expired

Photoconductive imaging members with fluorene polyester hole transporting layers

US5034296A · kind A · utility

51Cited by
9References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 1989
Grant dateJul 23, 1991
Priority date
Expiry dateApr 3, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0764
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A layered photoresponsive imaging member comprised of a photogenerating layer, and in contact therewith a hole transporting layer comprised of fluorene charge transport polyesters of the following formulas: ##STR1## where A, B, Z are independently selected from a group of bifunctional groups; R is an alkyl or aryl group; Ar is an aryl or substituted aryl group; x and y are mole fractional numbers wherein x is greater than 0, and the sum of x and y is equal to 1.0; and n represents the number of repeating segments.

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