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Last Updated: November 24, 2024

Details for Patent: 5,798,338


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Summary for Patent: 5,798,338
Title: Solid dosage forms that contain clathrates of 17.alpha.-ethinyl estradiol
Abstract:A method and pharmaceutical compositions are disclosed for reducing oxidative degradation of 17 .alpha.-ethinylestradiol comprising combining the estradiol with an effective amount of cyclodextrin, thus forming a cyclodextrin clathrate of the steroid.
Inventor(s): Backensfeld; Thomas (Berlin, DE), Tack; Johannes (Berlin, DE)
Assignee: Schering Aktiengesellschaft (Berlin, DE)
Application Number:08/765,823
Patent Claim Types:
see list of patent claims
Composition; Use; Dosage form; Formulation;

Drugs Protected by US Patent 5,798,338

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 5,798,338

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany44 26 709.6Jul 20, 1994
PCT Information
PCT FiledJuly 10, 1995PCT Application Number:PCT/EP95/02656
PCT Publication Date:February 01, 1996PCT Publication Number: WO96/02277

International Family Members for US Patent 5,798,338

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 0771217 ⤷  Sign Up CA 2006 00038 Denmark ⤷  Sign Up
European Patent Office 0771217 ⤷  Sign Up 07C0001 France ⤷  Sign Up
Austria 263578 ⤷  Sign Up
Canada 2194979 ⤷  Sign Up
Germany 122007000011 ⤷  Sign Up
Germany 122007000013 ⤷  Sign Up
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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