Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2007-02-09
2008-08-12
Schwartz, Jordan M. (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C345S107000
Reexamination Certificate
active
07411720
ABSTRACT:
In electrophoretic media, it is advantageous to use pigment particles having about 1 to 15 per cent by weight of a polymer chemically bonded to, or cross-linked around, the pigment particles. The polymer desirably has a branched chain structure with side chains extending from a main chain. Charged or chargeable groups can be incorporated into the polymer or can be bonded to the particles separately from the polymer. The polymer-coated particles can be prepared by first attaching a polymerizable or polymerization-initiating group to the particle and then reacting the particle with one or more polymerizable monomers or oligomers.
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Gates Elizabeth Moran
Herb Craig A.
Honeyman Charles Howie
Houde Kimberly L.
King Matthew A.
Cole David J.
E Ink Corporation
Jones James C
Schwartz Jordan M.
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