Process for producing microcapsule enclosing electrophoretic...

Details Process for producing microcapsule enclosing electrophoretic... Process for producing microcapsule enclosing electrophoretic...

2003-03-20

2009-02-10

Sorkin, David L (Department: 1797)

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

C427S213340, C264S004100, C264S004700, C366S279000, C366S316000, C366S317000

Reexamination Certificate

active

07488513

ABSTRACT:
A method of producing microcapsules having an electrophoretic particle dispersion encapsulated comprises the steps of: emulsifying and dispersing a hydrophobic dispersion having electrophoretic particles dispersed in a hydrophobic medium by using a high-speed rotating stirring apparatus wherein the circumferential speed at the end of a stirring part is 2 m/s to 90 m/s, and the distance (a) between the end of the stirring part and that immobile part of the stirring apparatus which is nearest to the end of the stirring part is 0 mm<(a)<20 mm; and forming microcapsules of the emulsified and dispersed hydrophobic dispersion under stirring with a stirring blade.

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Machine generated English translation of JP 07-096167, generated Mar. 8, 2007.
Kondo and Koishi; “Microcapsule and its Process, Properties, and Application”, published by Sankyo Shuppan; ISBN 4782702132, (English abstract only) Nov. 20, 1987.

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