Patent · US Expired

Electrophoretic particles, and processes for the production thereof

US7247379B2 · kind B2 · utility

179Cited by
353References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 2005
Grant dateJul 24, 2007
Priority date
Expiry dateSep 6, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2998
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Copper chromite particles can advantageously be used as black particles in electrophoretic media and displays. Preferably, the copper chromite particles are coated with a silica coating and a polymer coating.

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