Patent · US Active

Coloured organic electrophoretic particles

US8610998B2 · kind B2 · utility

19Cited by

11References

29Claims

0Family size

Assignee

BASF SE

Inventors

Gabriele Baisch · Binzen, DE
Reinhold Öhrlein · Rheinfelden (Baden), DE
Peter Simmendinger · Basel, CH
Gerardus De Keyzer · Riehen, CH
Margherita Fontana · Basel, CH
Vilas N. Mumbaikar · Mumbai, IN

Key dates

Filing date	Jun 25, 2007
Grant date	Dec 17, 2013
Priority date	—
Expiry date	May 9, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49002
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to the preparation and use of (colored) organic particles carrying electric charge as electrophoretic (image) displaying particles, to electrophoretic dispersions comprising the organic particles carrying electric charge, electrophoretic (image) devices (especially displays) comprising the colored organic particles carrying electric charge, to the novel functionalized particles, and to their use. The particles are obtainable according to a method represented by the reaction scheme as given in FIG. 1.

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