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Details for Patent: 5,300,291

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Summary for Patent: 5,300,291

Title: Method and device for the release of drugs to the skin
Abstract:A method of increasing the adhesiveness of a shaped pressure sensitive adhesive, comprising adding an adhesiveness and drug release increasing amount of a clay to said adhesive prior to casting of the adhesive. A dermal composition comprising a drug, a pressure sensitive adhesive, an adhesiveness increasing amount of a clay and a solvent. A dermal composition comprising a drug, a multipolymer of ethylene vinyl acetate, an acrylic polymer, a natural or synthetic rubber and a clay, along with optional ingredients known for use in transdermal drug delivery systems.
Inventor(s): Sablotsky; Steven (Miami, FL), Gentile; Joseph A. (Plantation, FL)
Assignee: Noven Pharmaceuticals, Inc. (Miami, FL)
Application Number:07/671,709
Patent Claim Types:
see list of patent claims
Use; Composition;

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International Patent Family for Patent: 5,300,291

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina002355► subscribe
Austria122240► subscribe
Austria144704► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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