Patent · US Expired

Processes for the preparation of toners

US5145762A · kind A · utility

19Cited by
7References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 29, 1991
Grant dateSep 8, 1992
Priority date
Expiry dateMar 29, 2011

Classification

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

Abstract

A process for the preparation of toner compositions which comprises melt blending toner resin particles, magnetite particles, wax, and charge additives; adding to the aforementioned mixture a coupling component; injecting water therein; and cooling.

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