Patent · US Expired

Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner

US6566026B2 · kind B2 · utility

37Cited by
19References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 2001
Grant dateMay 20, 2003
Priority date
Expiry dateJun 26, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08797
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner including mother toner particles including at least two resins A and B and a wax each of which is incompatible with the others; and an external additive including at least one of a particulate inorganic material and a particulate resin, wherein the resins and wax form a sea-island structure in which the resin B is present like islands in a sea of the resin A and the wax is substantially included in the resin B while dispersed therein, and wherein the resin A does not include a component insoluble in tetrahydrofuran and has a weight average molecular weight of from 10,000 to 90,000.

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