Patent · US Expired

Coated carrier particles and processes thereof

US5518855A · kind A · utility

6Cited by
2References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 1995
Grant dateMay 21, 1996
Priority date
Expiry dateJun 5, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/1138
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for preparation of conductive carrier particles which comprises mixing carrier core with a first polymer pair and a second polymer pair, heating the mixture, and cooling the mixture; and wherein the first and second polymer pair each contain an insulating polymer and a conductive polymer and wherein the carrier conductivity thereof is from about 10.sup.-6 to about 10.sup.-14 (ohm-cm).sup.-1.

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