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Last Updated: November 19, 2019

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Details for Patent: 5,855,906

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Summary for Patent: 5,855,906
Title: Intravaginal drug delivery devices for the administration of 17.beta.-oestradiol precursors
Abstract:The invention relates to an intravaginal drug delivery device for administration to a female mammal of certain 17.beta.-oestradiol precursors at a substantially constant rate for a period of at least three weeks. The 17.beta.-oestradiol precursor is a 17.beta.-oestradiol moiety in which the, or each, hydroxyl group of the 17.beta.-oestradiol moiety is blocked by a blocking group, which blocking group is readily removed from the 17.beta.-oestradiol in vivo. The 17.beta.-oestradiol precursor must have either a solubility in liquid silicone of not less than 0.1 mg/100 ml or a standard k value of not less than 0.1 .mu.g/day/mm. The 17.beta.-oestradiol precursor must also have a solubility in distilled water of not less than 1 .mu.g/100 ml.
Inventor(s): McClay; Allen (Cookstown, IE)
Assignee: Galen (Chemicals) Limited (Dublin, IE)
Application Number:08/849,329
Patent Claim Types:
see list of patent claims
Compound; Delivery; Device; Process; Use;

Drugs Protected by US Patent 5,855,906

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: 5,855,906

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
IrelandS940976Dec 19, 1994
IrelandS950247Apr 05, 1995
PCT Information
PCT FiledDecember 19, 1995PCT Application Number:PCT/IE95/00063
PCT Publication Date:June 27, 1996PCT Publication Number: WO96/19196

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