Patent · US Active

Toner and developer

US8932789B2 · kind B2 · utility

5Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 2012
Grant dateJan 13, 2015
Priority date
Expiry dateAug 24, 2032

Classification

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

Abstract

To provide a toner, which contains: a non-crystalline polyester resin A obtained through a reaction between a non-linear chain reactive precursor and a curing agent, and having a glass transition temperature of −60° C. to 0° C.; a non-crystalline polyester resin B having a glass transition temperature of 40° C. to 70° C.; and a crystalline polyester resin C, wherein the toner has a glass transition temperature Tg1st of 20° C. to 40° C. as measured with first heating in differential scanning calorimetry (DSC).

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