Patent · US Expired

Toner for developing electrostatic image and producing method therefor

US7150952B2 · kind B2 · utility

5Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2004
Grant dateDec 19, 2006
Priority date
Expiry dateJul 16, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09708
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner for developing an electrostatic image is disclosed. The toner particles containing a binder resin containing a polyester resin or a polyol resin and a colorant, and the toner particles contain aluminum in an amount of 0.007 to 0.140% by weight, chlorine in an amount of 0.002 to 0.412% by weight, and the toner particles have an average circular degree of 0.94 to 0.99 and an average circle equivalent diameter of from 2.6 to 7.4 μm.

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