Patent · US Expired

One-component magnetic toner for use in electrophotography

US5527657A · kind A · utility

18Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1994
Grant dateJun 18, 1996
Priority date
Expiry dateNov 22, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/104
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A one-component magnetic toner with high resistivity for use in electrophotography for developing latent electrostatic images to visible toner images by contact development, includes a coloring agent, a binder resin, and a magnetic material which contains a bivalent metal and a trivalent iron with the molar ratio of the bivalent metal to the trivalent iron being 1/3 or less.

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