Patent · US Expired

Process for producing composite resin for toner

US5317060A · kind A · utility

6Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1992
Grant dateMay 31, 1994
Priority date
Expiry dateNov 30, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/081
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for producing a composite resin for a toner, comprising the steps of: mixing, in water, (a) a low-molecular weight polymer powder comprising particles, not less than 80% by weight of the particles having a diameter of from 20 to 2000 microns with (b) a high-molecular weight polymer emulsion; subjecting the thus obtained mixture to a coagulation treatment; and heating the resulting mixture to obtain a composite resin in which the low-molecular weight polymer particle and the high-molecular weight polymer are fixed and homogeneously mixed with each other.

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