Method for production of microcapsule
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United States of America Patent
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Jun 9, 2015
Grant Date -
Jan 14, 2010
app pub date -
Oct 9, 2007
filing date -
Oct 19, 2006
priority date (Note) -
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Abstract
It is possible to perform microencapsulation of a bioactive substance having a solid form at ordinary temperature in a predetermined wall thickness and particle size without the need of dissolving the solid biologically active substance in any solvent by a method for producing a microcapsule, comprising: heating an aqueous dispersion comprising a dispersion stabilizer, an ionic surfactant, the solid biologically active substance, a polymerization initiator and a radical-polymerizable monomer subjected to ultrasonic irradiation. Therefore, the method enables to design a desired particle readily and it is useful for the microencapsulation.
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