Generated: December 15, 2017
DrugPatentWatch Database Preview
Details for Patent: 4,849,224
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Summary for Patent: 4,849,224
|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 ring-shaped layer made of an adhesive that is incompatible with one or more components of the drug formulation that is peripheral to the reservoir outwardly of the membrane layer and a peelable liner layer that underlies at least the membrane layer with a first heat seal between the backing and the membrane about the perimeter of the reservoir and another concentric heat seal between the backing and the release liner positioned outwardly of the first heat seal, the heat seals 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) |
Patent Claim Types:|
see list of patent claims
|Device; Formulation; |
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International Patent Family for Patent: 4,849,224
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