Patent · US Expired

Electrophotographic developer with fibers of polytetrafluoroethylene

US3977871A · kind A · utility

3Cited by
9References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 15, 1975
Grant dateAug 31, 1976
Priority date
Expiry dateAug 15, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/0872
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The formation of toner film on the photoconductor in electrophotography is reduced by adding to the developer toner a small amount of fibrillatable polytetrafluoroethylene, and working the mixture until a random network of fibers of said polytetrafluoroethylene is formed.

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