Patent · US Expired

Developer for developing electrostatic images and process for forming images

US4868085A · kind A · utility

7Cited by
5References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 22, 1988
Grant dateSep 19, 1989
Priority date
Expiry dateMar 22, 2008

Classification

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

Abstract

A developer for developing electrostatic latent images comprises a toner comprising a colorant and a binder resin composed of a non-linear, low melting point polyester resin, inorganic fine powder A having BET specific surface area of 0.5-30 m.sup.2 /g and inorganic fine powder B having BET specific surface area of 40-400 m.sup.2 /g measured by means of nitrogen adsorption.

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