Patent · US Expired

Dual layer electrophotographic photoreceptor comprises titanium phthalocyanine charge generator and hydrazone charge transport materials

US4725519A · kind A · utility

27Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 1985
Grant dateFeb 16, 1988
Priority date
Expiry dateOct 1, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0696
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A dual layer photoreceptor for use in electrophotography, wherein a charge transport layer containing a hydrazone compound and a binder polymer is laminated on a charge generation layer containing a titanium phthalocyanine compound of the formula: ##STR1## wherein X represents hydrogen atom, lower alkyl group, lower alkoxy group, allyloxy group, nitro group, cyano group, hydroxy group, benzyloxy group or halogen atom, Y represents halogen atom, alkoxy group or oxygen atom, n represents an integer of 1 or 2 and m represents an integer of 0 to 4, and a binder polymer, formed on an electroconductive substrate.

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