Patent · US Expired

Toner for developing electrostatic image, method for producing the toner and image forming method

US7223508B2 · kind B2 · utility

1Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 2004
Grant dateMay 29, 2007
Priority date
Expiry dateDec 30, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0914
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The toner for developing an electrostatic image, includes a toner particle containing a binder resin and a colorant. The colorant has Feret's average horizontal diameter from 10 nm to 500 nm, and 50 number % or more of colorant has a Feret's horizontal diameter of from 2 nm to 300 nm. The colorant contains a compound represented by General Formula (1):

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