ELECTROPHORETIC DISPERSION
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United States of America Patent
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Issued Date -
Mar 1, 2012
app pub date -
Aug 23, 2011
filing date -
Aug 24, 2010
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Abandoned
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Abstract
The present invention is directed to methods for the preparation of pigment particles suitable for use in an electrophoretic dispersion, particularly an electrophoretic dispersion in a fluorinated solvent. The method comprises: a) treating pigment particles to incorporate reactive groups onto the surface of the pigment particles; and b) reacting said reactive group with a functional group in a fluorinated monomer, oligomer or polymer to form a polymer layer over the surface of the pigment particles.
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