Method for producing microcapsule

Details Method for producing microcapsule Method for producing microcapsule

A - Human Necessities

61

K

167/164, 167/103

A61K 9/52 (2006.01) A61K 9/16 (2006.01) B01J 13/02 (2006.01)

Patent

CA 1260395

24205-658 Abstract of the Disclosure Microcapsules are advantageously produced with high take-up of a water-soluble drug by preparing a W/O emulsion composed of a water-soluble drug-containing solution as the inner aqueous phase and a polymer- containing solution as the oil phase, dispersing said emulsion in an aqueous phase and subjecting the resulting W/O/W emulsion to an in-water drying, wherein the viscosity of the W/O emulsion used in preparing the W/O/W emulsion is adjusted to about 150 to about 10,000 centipoises.

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