Patent · US Expired

Electrophoretic particles, and processes for the production thereof

US7002728B2 · kind B2 · utility

475Cited by
355References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 9, 2004
Grant dateFeb 21, 2006
Priority date
Expiry dateMar 21, 2024

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.