Patent · US Expired

Carrier for developing electrostatic image

US5200287A · kind A · utility

3Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1991
Grant dateApr 6, 1993
Priority date
Expiry dateJul 18, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/1139
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A resin coated carrier for developing an electrostatic image is disclosed. The carrier coating layer comprises a silicone resin and a carbon fluoride having a BET specific surface area of not more than 100 m.sup.2 /g. The carrier imparts proper positive polarity triboelectric charge without charge control agent.

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