Patent · US Expired

Liquid electrostatic developer

US4060493A · kind A · utility

9Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 1975
Grant dateNov 29, 1977
Priority date
Expiry dateJul 10, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/105
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Liquid electrostatic developer having pigment or dyestuff dispersed in a non-aqueous dispersion containing a graftcopolymer and at least one substance selected from the group consisting of polyethylene, polyethylene wax and paraffin wax in a liquid carrier having a high resistivity and a low dielectric constant.

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