Generated: December 15, 2017
DrugPatentWatch Database Preview
Details for Patent: 5,330,767
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Summary for Patent: 5,330,767
|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; |
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Foreign Priority and PCT Information for Patent: 5,330,767
|Foriegn Application Priority Data|
||Foreign Patent Number
||Foreign Patent Date
|Japan||60-22978||Feb 07, 1985|
|Japan||60-267977||Nov 27, 1985|
International Patent Family for Patent: 5,330,767
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