Patent · US Active

Toner, process cartridge, and image forming apparatus

US8652719B2 · kind B2 · utility

2Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 18, 2012
Grant dateFeb 18, 2014
Priority date
Expiry dateApr 21, 2032

Classification

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

Abstract

A set of toners including yellow, cyan, magenta, and black toner, each of which containing a binder resin containing a crystalline resin and a non-crystalline resin, a releasing agent, and a corresponding coloring agent, wherein the following relationship is satisfied: 0.8<EBk/EFc<0.95, where EBk represents the amount of heat of melting (mJ/mg) for the black toner and EFc represents the average amount of heat of melting (mJ/mg) of the yellow toner, magenta toner, and cyan toner from 50° C. to 100° C. at the first temperature rising in differential scanning calorimetry (DSC).

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