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Serving hundreds of leading biopharmaceutical companies globally:

Teva
Citi
Federal Trade Commission
Fish and Richardson
McKesson
Mallinckrodt
Deloitte
Julphar
Farmers Insurance

Generated: May 20, 2018

DrugPatentWatch Database Preview

Details for Patent: 3,959,322

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Summary for Patent: 3,959,322
Title: Synthesis of 13-alkyl-gon-4-ones
Abstract:The preparation of 13-methylgon-4-enes and novel 13-polycarbonalkylgon-4-enes by a new total synthesis is described. 13-Alkylgon-4-enes having progestational, anabolic and androgenic activities are prepared by forming a tetracylic gonane structure unsaturated in the 1,3,5(10),9(11) and 14-positions, selectively reducing in the B- and C-rings, and converting the aromatic A-ring compounds so-produced to gon-4-enes by Birch reduction and hydrolysis.
Inventor(s): Hughes; Gordon Alan (Wayne, PA), Smith; Herchel (Wayne, PA)
Assignee: Smith; Herchel (Bryn Mawr, PA)
Application Number:04/388,820
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 3,959,322
Patent Claim Types:
see list of patent claims
Compound; Use; Process;

Drugs Protected by US Patent 3,959,322

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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Serving hundreds of leading biopharmaceutical companies globally:

Johnson and Johnson
McKinsey
Accenture
Chubb
Argus Health
UBS
US Department of Justice
QuintilesIMS
Fuji

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