Patent · US Expired

Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatus

US6821698B2 · kind B2 · utility

25Cited by
8References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 2002
Grant dateNov 23, 2004
Priority date
Expiry dateNov 19, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0823
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner for developing electrostatic latent images, including a colorant, a releasing agent and a binder resin, wherein the binder resin comprises a first, crystalline polyester resin, and a second, amorphous polyester resin having a softening point higher than that of the first polyester resin and being incompatible with the first polyester resin.

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