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Last Updated: April 23, 2024

Details for Patent: 4,983,395


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Summary for Patent: 4,983,395
Title: Device for administering an active agent to the skin or mucosa
Abstract:A transdermal drug delivery device comprising a drug formulation-containing reservoir defined by a backing layer and a drug-permeable membrane layer, a peelable inner liner that underlies the reservoir and a portion of the backing/membrane outwardly of the reservoir periphery, an adhesive layer that underlies the inner liner and outwardly extending portions of the membrane/backing layers, and a peelable release liner layer that underlies the adhesive layer with a first permanent heat seal between the backing and the membrane about the perimeter of the reservoir and another concentric peelable (impermanent) heat seal between the membrane and the inner liner positioned underlying and at a radius not less than the first permanent heat seal, the heat seals and peelable barrier layer providing barriers that isolate the drug formulation from the adhesive.
Inventor(s): Chang; Yunik (Toms River, NJ), Patel; Dinesh C. (Murray, UT), Ebert; Charles D. (Salt Lake City, UT)
Assignee: TheraTech Inc. (Salt Lake City, UT)
Application Number:07/326,536
Patent Claim Types:
see list of patent claims
Device; Formulation;

Drugs Protected by US Patent 4,983,395

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

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