Patent · US Expired

Toner for developing electrostatic image and image forming method

US6296980A · kind A · utility

19Cited by
3References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1999
Grant dateOct 2, 2001
Priority date
Expiry dateNov 15, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0827
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed is a toner for developing electrostatic image, comprising a resin and colorant. The toner has a variation coefficient of shape coefficient of not more than 16 percent and a number variation coefficient in the number particle size distribution of not more than 27 percent. An image forming method employing the toner is also disclosed.

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