Patent · US Active

Toner

US9005865B2 · kind B2 · utility

2Cited by
0References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 14, 2014
Grant dateApr 14, 2015
Priority date
Expiry dateFeb 14, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09725
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner containing toner particles, each of which contains a binder resin and a colorant, and silica particles, wherein the silica particles have a volume average particle diameter (Dv) of 70 nm or more and 500 nm or less, the variation coefficient of diameters of the silica particles, based on volume distribution thereof, is 23% or less, and wherein when the silica particles are heated from 105° C. to 200° C., the ratio of mass decrease is 0.60% or less.

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