Black pigment dispersion

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United States of America Patent

PATENT NO 8674006
APP PUB NO 20120172498A1
SERIAL NO

13144106

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Abstract

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Described is a pigment dispersion which is useful for electrophoretic displays comprising α) a bis-oxodihydro-indolylene-benzodifuranone colorant of the Formula (I) wherein the substituents are defined as in claim 1, β) a specific polymeric dispersant, and γ) a solvent which is suitable for dispersions used in electrophoretic displays. Also described are novel colourants and dispersants.

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Patent Owner(s)

Patent OwnerAddress
BASF SELUDWIGSHAFEN GERMANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eichenberger, Thomas Basel, CH 15 89
Fontana, Margherita Thalwil, CH 14 134
Gernandt, Andreas Ludwigshafen, DE 12 11
Krebs, Christoph Pratteln, CH 3 8
Lamatsch, Bernd Riehen, CH 14 81
Lanz, Marian Röschenz, CH 6 40
Perera, Dario Basel, CH 3 6
Pirrung, Frank Oliver Heinrich Grünstadt, DE 21 79
Ruch, Thomas Delémont, CH 36 243

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