Patent · US Expired

Phenolic epoxy polymer or polyester and charge transporting small molecule at interface between a charge generator layer and a charge transport layer

US4933244A · kind A · utility

8Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 3, 1989
Grant dateJun 12, 1990
Priority date
Expiry dateJan 3, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0567
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An imaging member comprising an electrophotographic imaging member comprising a substrate having an electrically conductive surface, a charge generator layer, a charge transport layer comprising a polycarbonate film forming binder and a charge transporting small molecule, and an interface layer comprising a polymer and a charge transporting between the charge generator layer and the charge transport layer, wherein the interface layer comprises a mixture of a charge transporting material and certain phenolic epoxy polymers of polyesters.

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