Patent · US Expired

Electrostatic image-developing toner

US6190819A · kind A · utility

3Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1998
Grant dateFeb 20, 2001
Priority date
Expiry dateMay 12, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09733
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention is directed to an electrostatic image-developing toner which is used for an electronograph and the like. The toner comprises at least core particles and fine particles being present on the surfaces of the core particles and has a mean particle size of 0.01-1 .mu.m. The fine particles are polymer of a monomer and contain charge-controlling agent which is soluble in the monomer before polymerization.

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