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

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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
Ireland	S940976	Dec 19, 1994
Ireland	S950247	Apr 05, 1995

PCT Information
PCT Filed	December 19, 1995	PCT Application Number:	PCT/IE95/00063
PCT Publication Date:	June 27, 1996	PCT Publication Number:	WO96/19196

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