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Serving hundreds of leading biopharmaceutical companies globally:

Colorcon
Moodys
Express Scripts
Teva
Fish and Richardson
Federal Trade Commission
Argus Health
Merck
Harvard Business School

Generated: May 21, 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

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Serving hundreds of leading biopharmaceutical companies globally:

Fuji
Boehringer Ingelheim
Express Scripts
Argus Health
US Department of Justice
McKesson
Fish and Richardson
Queensland Health
Accenture

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