Patent · US Active

Toner, and method for producing the same

US8252500B2 · kind B2 · utility

2Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 2008
Grant dateAug 28, 2012
Priority date
Expiry dateAug 31, 2029

Classification

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

Abstract

The present invention provides a toner containing at least two binder resins composed of at least a resin A and a resin B which are incompatible with each other, and a colorant, wherein the toner has an average circularity of 0.93 to 0.98 and is produced by atomizing a toner composition liquid in a vapor phase to form liquid droplets and solidifying the liquid droplets, and the toner composition liquid is prepared by dissolving or dispersing the at least two binder resins and the colorant in an organic solvent.

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