Patent · US Expired

Toner compositions

US5194356A · kind A · utility

26Cited by
17References
51Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 1990
Grant dateMar 16, 1993
Priority date
Expiry dateNov 5, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09716
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A colored magnetic toner composition comprised of a polymer resin or resins, an optional waxy, lubricating or low surface energy substance, a colorless or light colored magnetic material, a color pigment, dye or mixture thereof, excluding black, and a whitening agent; and wherein the surface of the toner contains a conductive metal oxide.

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