|Title:||Sustained release microcapsule|
|Abstract:||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.|
|Inventor(s):||Yamamoto; Masaki (Osaka, JP), Takada; Shigeyuki (Osaka, JP), Ogawa; Yasuaki (Osaka, JP)|
|Assignee:||Takeda Chemical Industries, Ltd. (Osaka, JP)|
Patent Claim Types:|
see list of patent claims
|Dosage form; Process;|
|Patent Number||Expiration Date|
|5,330,767||July 19, 2006|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
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