Patent · US Expired

Two-component type developer for developing an electrostatic image

US5643704A · kind A · utility

6Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 1995
Grant dateJul 1, 1997
Priority date
Expiry dateAug 14, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/108
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed is a two-component developer for developing a electrostatic image comprising a toner particle and a carrier particle comprising a substantially spherical magnetic particle coated with a resin, wherein said substantially spherical magnetic particle contains a compound comprising silicon element in an amount of 100 ppm to 5000 ppm based on said substantially spherical magnetic particle.

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