Patent · US Expired

Developer for developing latent electrostatic images

US5403690A · kind A · utility

44Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1994
Grant dateApr 4, 1995
Priority date
Expiry dateMar 29, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09741
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developer is composed of toner particles which contain a thermoplastic resin, a coloring agent, one component selected from the group consisting of a fluorine-containing quaternary ammonium salt compound and a fluorine-containing iminium compound, and an aromatic hydroxycarboxylic acid metallic salt. This developer may also contain a carrier.

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