Patent · US Expired

Unit for developing electrostatic latent images including member having overcoat layer

US5168312A · kind A · utility

26Cited by
4References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 1990
Grant dateDec 1, 1992
Priority date
Expiry dateOct 12, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0818
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A development unit including (i) a latent-electrostatic-image-bearable member, (ii) a development member for supporting a toner thereon and developing latent electrostatic images formed on the latent-electrostatic-image-bearable member into visible toner images with the toner, and (iii) a toner layer regulating member for regulating the thickness of a toner layer formed on the development member, wherein at least the development member or toner layer regulating member has an overcoat layer including a resin and a surface active agent.

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