Patent · US Expired

Combination toner and printer utilizing same

US4948692A · kind A · utility

8Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1988
Grant dateAug 14, 1990
Priority date
Expiry dateMay 3, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G13/24
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A combination toner for xerographic image formation having conductive portions and insulating portions is provided. The conductive portions function to accumulate a charge in the toner particles and the insulating portions function to lengthen the period of discharge of the accumulated charge. The toner can be either magnetic or non-magnetic and improves image formation and transfer.

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