Patent · US Expired

Method of modifying the charging propensity of carrier particles for electrostatographic developers and modified carrier particles

US5411832A · kind A · utility

6Cited by
18References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 24, 1993
Grant dateMay 2, 1995
Priority date
Expiry dateSep 24, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2800/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A method for modifying the triboelectric charging propensity of particles coated with fluorohydrocarbon polymer for use as carriers in electrostatographic development comprising contacting the particles with a basic solution including a reducing agent for said particles and optionally including an oxidizing agent for said particles and carriers and developers produced by that method.

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