Patent · US Expired

Toner, developer using the same, toner container using the same, process cartridge using the same, image-forming process using the same and image-forming apparatus using the same

US7241545B2 · kind B2 · utility

6Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 2003
Grant dateJul 10, 2007
Priority date
Expiry dateJun 8, 2024

Classification

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

Abstract

A toner has a storage elastic modulus (G′) of 500 Pa or more at a frequency of 1 Hz and temperature of 180° C., while the toner is obtained by dissolving or dispersing a toner composition in an organic solvent, further dispersing the solution or dispersion thereof in an aqueous medium containing fine resin particles as well as being reacted with a compound having an active hydrogen group, and removing the solvent from the obtained aqueous dispersion.

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