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Last Updated: September 26, 2020

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Patent: 6,117,455

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Summary for Patent: 6,117,455
Title: Sustained-release microcapsule of amorphous water-soluble pharmaceutical active agent
Abstract:A sustained-release microcapsule contains an amorphous water-soluble pharmaceutical agent having a particle size of from 1 nm-10 .mu.m and a polymer. The microcapsule is produced by dispersing, in an aqueous phase, a dispersion of from 0.001-90% (w/w) of an amorphous water-soluble pharmaceutical agent in a solution of a polymer having a wt. avg. molecular weight of 2,000-800,000 in an organic solvent to prepare an s/o/w emulsion and subjecting the emulsion to in-water drying.
Inventor(s): Takada; Shigeyuki (Kobe, JP), Kurokawa; Tomofumi (Hyogo-ken, JP), Iwasa; Susumu (Tsuzuki-gun, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:08/535,386
Patent Claims:see list of patent claims

Details for Patent 6,117,455

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Ferring CHORIONIC GONADOTROPIN gonadotropin, chorionic INJECTABLE;INJECTION 017016 004 1975-06-26   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JP) 2014-09-30 RX search
Ferring CHORIONIC GONADOTROPIN gonadotropin, chorionic INJECTABLE;INJECTION 017016 006 1975-06-26   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JP) 2014-09-30 RX search
Ferring CHORIONIC GONADOTROPIN gonadotropin, chorionic INJECTABLE;INJECTION 017016 007 1975-06-26   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JP) 2014-09-30 RX search
Ferring CHORIONIC GONADOTROPIN gonadotropin, chorionic INJECTABLE;INJECTION 017016 009 1975-06-26   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JP) 2014-09-30 RX search
Ferring CHORIONIC GONADOTROPIN gonadotropin, chorionic INJECTABLE;INJECTION 017016 010 1975-06-26   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JP) 2014-09-30 RX search
Ferring CHORIONIC GONADOTROPIN gonadotropin, chorionic INJECTABLE;INJECTION 017016 011 1975-06-26   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JP) 2014-09-30 RX search
Bel Mar CHORIONIC GONADOTROPIN gonadotropin, chorionic INJECTABLE;INJECTION 017054 001 1974-03-26   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JP) 2014-09-30 DISCN search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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