Patent · US Expired

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

US6994941B2 · kind B2 · utility

45Cited by
4References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 2003
Grant dateFeb 7, 2006
Priority date
Expiry dateOct 14, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/071
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic photosensitive member is provided having a support and a photosensitive layer provided on the support and containing at least one kind of charge-transporting material which has a specific structure with a molecular weight of from 1,500 to 4,000, and is held in a proportion of from 90% by weight to 100% by weight based on the total weight of the charge-transporting material.

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