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Serving leading biopharmaceutical companies globally:

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Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,619,921

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Summary for Patent: 4,619,921

Title: Polyhalogeno-steroids
Abstract:Novel 6.alpha.,9.alpha.,21-trihalogeno-11.beta.-hydroxy-16.alpha. or 16.beta.-methyl-17.alpha.-propionyloxy-pregn-4-ene-3,20-dione compounds of the formula ##STR1## in which X represents chlorine or flourine, R represents the group --CH.sub.2 CH--, --CH.dbd.CH-- or --CH.dbd.CCl--, the chlorine atom being in the positon 2 of the steroid numbering, and in which the 16-methyl radical is .alpha.- or .beta.-oriented, are useful pharmaceuticals, especially anti-inflammatory agents for topical administration.
Inventor(s): Kalvoda; Jaroslav (Binningen, CH), Anner; Georg (Basel, CH)
Assignee: Ciba-Geigy Corporation (Ardsley, NY)
Application Number:06/601,746
Patent Claim Types:
see list of patent claims
Compound; Composition;

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Foreign Priority and PCT Information for Patent: 4,619,921

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland16151/75Dec 12, 1975
Luxembourg75903Sep 29, 1976

International Patent Family for Patent: 4,619,921

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
AustriaA81079► Subscribe
Australia508224► Subscribe
Austria363204► Subscribe
AustriaA151479► Subscribe
Austria363203► Subscribe
AustriaA151379► Subscribe
Austria363202► Subscribe
AustriaA151279► Subscribe
Austria363197► Subscribe
AustriaA691077► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Harvard Business School
Julphar
Cantor Fitzgerald
Cerilliant
McKesson
US Department of Justice
US Army
Express Scripts
Teva
Daiichi Sankyo

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