BioPharmaceutical Business Intelligence

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Serving leading biopharmaceutical companies globally:

Healthtrust
Merck
Medtronic
Colorcon
McKesson
US Department of Justice
Julphar
AstraZeneca
Queensland Health
Argus Health

Generated: January 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,631,021

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Summary for Patent: 5,631,021
Title: Method for producing microcapsule
Abstract:A microcapsule produced by preparing a water-in-oil emulsion comprising an inner aqueous layer containing said water-soluble drug and a drug retaining substance therefor and an oil layer containing a polymer substance, then thickening or solidifying said inner aqueous layer to a viscosity of not lower than about 5000 centiposes and finally subjecting the resulting emulsion to in water drying gives prolonged release of water-soluble drug.
Inventor(s): Okada; Hiroaki (Osaka, JP), Ogawa; Yasuaki (Osaka, JP), Yashiki; Takatsuka (Hyogo, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:08/604,022
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form;

Drugs Protected by US Patent 5,631,021

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: 5,631,021

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan58-207760Nov 04, 1983

International Patents Family Members for US Patent 5,631,021

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 42197 ➤ Subscribe
Bulgaria 60493 ➤ Subscribe
Canada 1233414 ➤ Subscribe
Germany 3477732 ➤ Subscribe
European Patent Office 0145240 ➤ Subscribe
Spain 537325 ➤ Subscribe
Spain 8605983 ➤ Subscribe
Greece 80818 ➤ Subscribe
Hong Kong 3792 ➤ Subscribe
Hungary 193910 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving leading biopharmaceutical companies globally:

Argus Health
AstraZeneca
McKinsey
Deloitte
Farmers Insurance
McKesson
Harvard Business School
Healthtrust
Baxter

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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