Patent · US Expired

Electrophotographic developer containing tin oxide

US4965162A · kind A · utility

7Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 1989
Grant dateOct 23, 1990
Priority date
Expiry dateSep 5, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S525/934
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic developer is disclosed, that contains toner particles and fine particles of tin oxide having an electrical resistivity of from 10.sup.2 to 10.sup.9 .OMEGA..cm. The developer ensures efficient image transfer and exhibits good developing ability.

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