Patent · US Expired

Process for producing resin composition useful as electrophotograhic toner

US4652511A · kind A · utility

10Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1985
Grant dateMar 24, 1987
Priority date
Expiry dateApr 19, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F291/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for producing a resin composition which comprises suspension-polymerizing at least one vinyl monomer in an aqueous medium in the presence of a dispersing agent, said suspension polymerization being carried out using a nonionic dispersant as said dispersing agent in the presence of a high-molecular-weight vinyl polymer having a weight average molecular weight of at least 500,000 obtained by emulsion polymerization.

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