Method of preparing microcapsule
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United States of America Patent
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Mar 22, 1994
Grant Date -
N/A
app pub date -
Feb 19, 1991
filing date -
Feb 22, 1990
priority date (Note) -
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Abstract
A method for producing microcapsules in which various coats can be applied to various cores at any desired but uniformly controllable thickness comprises the steps of: (a) providing microcapsule cores, (b) depositing resin particles uniformly onto the surfaces of the microcapsule cores to form resin particle-deposited-onto-cores, (c) putting the resin particle-deposited-onto-cores in a monodisperse state, (d) bringing the resin particle-deposited-onto-cores in the monodisperse state into contact with a solvent in which the resin of the resin particles can dissolve, and (e) drying the resin particle-deposited-onto-cores which has been brought into contact with the solvent, while kept in the monodisperse state and, then, recovering the dried cores.
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