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Last Updated: March 28, 2024

Details for Patent: 5,223,261


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Summary for Patent: 5,223,261
Title: Transdermal estradiol delivery system
Abstract:A pressure-sensitive adhesive sheet material for delivering estradiol to skin, the sheet material comprising a backing with a layer of a pressure-sensitive adhesive adjacent thereto, said pressure-sensitive adhesive layer comprising a pressure-sensitive adhesive polymer, two or more skin penetration-enhancing ingredients and estradiol. The sheet material is useful for systemic treatment of conditions associated with estradiol deficiency. Methods of using such adhesive sheet material are also described.
Inventor(s): Nelson; Gregory R. (St. Paul, MN), Zerbe; Horst-Georg (St. Paul, MN), Moore; Cheryl L. (St. Paul, MN), Wick; Steven M. (St. Paul, MN)
Assignee: Riker Laboratories, Inc. (St. Paul, MN)
Application Number:07/815,908
Patent Claim Types:
see list of patent claims
Use; Delivery;

Drugs Protected by US Patent 5,223,261

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

International Family Members for US Patent 5,223,261

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 109357 ⤷  Try a Trial
Australia 2097892 ⤷  Try a Trial
Australia 3280989 ⤷  Try a Trial
Australia 630347 ⤷  Try a Trial
Australia 651234 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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