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Serving hundreds of leading biopharmaceutical companies globally:

Cantor Fitzgerald
Colorcon
UBS
Dow
Baxter
Boehringer Ingelheim
Express Scripts
Federal Trade Commission
Chubb

Generated: April 26, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,954,298

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Summary for Patent: 4,954,298
Title: Method for producing 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 (Suita, JP), Ogawa; Yasuaki (Ibaraki, all, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:07/249,198
Patent Claim Types:
see list of patent claims
Use; Formulation; Dosage form;

Drugs Protected by US Patent 4,954,298

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 4,954,298

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan60-22978Feb 07, 1985
Japan60-267977Nov 27, 1985

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Serving hundreds of leading biopharmaceutical companies globally:

Queensland Health
US Army
Medtronic
Julphar
Argus Health
Cantor Fitzgerald
Johnson and Johnson
Fuji
Teva

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