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Details for Patent: RE37838

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Summary for Patent: RE37838

Title: Composition for contraception
Abstract:A combination product for oral contraception is disclosed comprising an estrogen selected from 2.0 to 6.0 mg of 17.beta.-estradiol and 0.020 mg of ethinylestradiol; and a gestagen selected from .[.0.25 to 0.30 mg of.]. drospirenone and .[.0.1 to 0.2 mg of.]. cyproterone acetate, followed by 5 or 4 pill-free or sugar pill days.
Inventor(s): Spona; Jurgen (Vienna, AT), Dusterberg; Bernd (Berlin, DE), Ludicke; Frank (Geneva, CH)
Assignee: Schering Aktiengesellschaft (DE)
Application Number:09/504,084
Patent Claim Types:
see list of patent claims
Composition;
Patent PDF download available with subscription

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Foreign Priority and PCT Information for Patent: RE37838

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany4344462Dec 22, 1993

International Patent Family for Patent: RE37838

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
JapanH09506888<disabled in preview>
China1611222<disabled in preview>
China100377713<disabled in preview>
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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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