Patent · US Expired

Electrophotographic toner, and image forming method and apparatus using the toner

US6403275B1 · kind B1 · utility

79Cited by
17References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 2000
Grant dateJun 11, 2002
Priority date
Expiry dateAug 31, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner including a resin and a colorant which is dispersed in the toner and which has an average major particle diameter not greater than about 0.5 &mgr;m, wherein the following relationships are satisfied: Ta≦100 (° C.), and (Tb−Ta)≧7.0 (° C.), wherein Ta represents a temperature at which the toner has a melt viscosity of 50,000 Pa·sec and Tb represents a temperature at which the toner has a melt viscosity of 5,000 Pa·sec.

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