Patent · US Expired

Polyester resin, electrophotographic developer composition

US4588668A · kind A · utility

13Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1984
Grant dateMay 13, 1986
Priority date
Expiry dateJun 4, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08755
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic developer composition, toner, comprises a binder of a polyester resin and a colorant, said polyeter resin having a softening point of 80.degree. to 180.degree. C., further having been obtained by copolycondensing (A) a diol component with (B) carboxylic acid components comprising (a) a dicarboxylic acid, (b) trimellitic acid and (c) a polycarboxylic acid. The composition possesses an improved fixation property.

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