Patent · US Expired

Toner for developing electrostatic image, developer, image forming apparatus, process for forming image, process cartridge and process for measuring porosity of toner

US7368212B2 · kind B2 · utility

11Cited by
78References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 2004
Grant dateMay 6, 2008
Priority date
Expiry dateJan 24, 2025

Classification

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

Abstract

A toner for developing an electrostatic image, includes: a colorant; and a binder resin. The toner has a particle including at least one pore having a diameter of 10 nm or over, and a porosity thereof is in a range from 0.01 to 0.60.

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