Patent · US Expired

Method of manufacturing developing agent

US5698356A · kind A · utility

1Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1996
Grant dateDec 16, 1997
Priority date
Expiry dateMar 20, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0806
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method of manufacturing a developing agent, comprising the steps of forming a aggregate containing resin particles and a colorant, forming a dispersion by dispersing the aggregate, a first polymerizable monomer, and a semi-polymerizable monomer in a solvent, the semi-polymerizable monomer being obtained by partially polymerizing a second polymerizable monomer, forming a composite seed containing the aggregate, the first polymerizable monomer, and the semi-polymerizable monomer by stirring the dispersion to granulate the aggregate and polymerizing the composite seed in the presence of a soap-free polymerization initiator.

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