BioPharmaceutical Business Intelligence

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Serving leading biopharmaceutical companies globally:

Argus Health
Harvard Business School
Express Scripts
Medtronic
Julphar
Deloitte
Covington
Cantor Fitzgerald
Fuji
Fish and Richardson

Generated: January 18, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,849,228

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Summary for Patent: 4,849,228
Title: Polymer, production and use thereof
Abstract:The present invention provides a biodegradable high molecular polymer characterized in that the content of water-soluble low molecular compounds, as calculated on the assumption that said compounds each is a monobasic acid, is less than 0.01 mole per 100 grams of said high molecular polymer. The thus-obtained high molecular polymer has good aging stability and can be used advantageously as an exipient for pharmaceutical preparations.
Inventor(s): Yamamoto; Masaki (Osaka, JP), Okada; Hiroaki (Osaka, JP), Ogawa; Yasuaki (Osaka, JP), Miyagawa; Tsutomu (Saitama, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:07/117,618
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Formulation;

Drugs Protected by US Patent 4,849,228

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: 4,849,228

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan60-97617May 07, 1985

International Patents Family Members for US Patent 4,849,228

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 87946 ➤ Subscribe
Canada 1262005 ➤ Subscribe
Germany 3688213 ➤ Subscribe
European Patent Office 0202065 ➤ Subscribe
Hong Kong 5796 ➤ Subscribe
Hungary 196703 ➤ Subscribe
Hungary T43488 ➤ Subscribe
Japan 2551756 ➤ Subscribe
Japan 2660401 ➤ Subscribe
Japan H08169818 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving leading biopharmaceutical companies globally:

Deloitte
Chubb
Accenture
McKesson
Harvard Business School
Daiichi Sankyo
AstraZeneca
US Department of Justice
McKinsey

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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