Patent · US Expired

Monocomponent developer comprising surface treated toners

US5811214A · kind A · utility

7Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 1997
Grant dateSep 22, 1998
Priority date
Expiry dateMay 8, 2017

Classification

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

Abstract

A monocomponent electrostatographic developer is disclosed. The developer contains a negative charging toner wherein the toner particle surface contains particles of cerium dioxide and a mixture of two hydrophobic silicon dioxides having a particle size of 0.005 to 0.03 .mu.m.

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