Patent · US Expired

Electrostatic dry toner composition

US4517272A · kind A · utility

26Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 1983
Grant dateMay 14, 1985
Priority date
Expiry dateAug 12, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08773
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The hollow character defect in electrostatically transferred dry toner images is reduced by an electrostatic dry toner composition comprising a binder polymer and a low surface energy liquid such as a silicone oil.

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