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Serving leading biopharmaceutical companies globally:

QuintilesIMS
Medtronic
Mallinckrodt
McKesson
Deloitte
Chubb
Fuji
Argus Health
Accenture
Dow

Generated: January 18, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,680,399

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Summary for Patent: 4,680,399
Title: Process for the isolation and purification of podophyllotoxin
Abstract:A process for obtaining purified podophyllotoxin from an impure podophyllotoxin containing starting material comprising forming a solution of the starting material, forming a solid complex of podophyllotoxin and an aromatic or heteroaromatic compound other than benzene, and separating the solid complex from the solution.
Inventor(s): Buchardt; Ole (Vaerlose, DK)
Assignee: pHarma-medica a-s (Herley, DK)
Application Number:06/773,929
Patent Claim Types:
see list of patent claims
Compound; Process; Formulation;

Drugs Protected by US Patent 4,680,399

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: 4,680,399

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8424269Sep 26, 1984

International Patents Family Members for US Patent 4,680,399

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 48427 ➤ Subscribe
Austria 63916 ➤ Subscribe
Canada 1268709 ➤ Subscribe
Canada 1276110 ➤ Subscribe
Germany 3574595 ➤ Subscribe
Germany 3583043 ➤ Subscribe
Denmark 169385 ➤ Subscribe
Denmark 434085 ➤ Subscribe
European Patent Office 0197219 ➤ Subscribe
European Patent Office 0316964 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving leading biopharmaceutical companies globally:

Chubb
Covington
US Department of Justice
QuintilesIMS
Baxter
Federal Trade Commission
Colorcon
Cipla
Argus Health

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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