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|Title:||Solubility parameter based drug delivery system and method for altering drug saturation concentration|
|Abstract:||A blend of at least two polymers, or at least one polymer and a soluble polyvinylpyrrolidone, in combination with a drug provides a pressure-sensitive adhesive composition for a transdermal drug delivery system in which the drug is delivered from the pressure-sensitive adhesive composition and through dermis when the pressure-sensitive adhesive composition is in contact with human skin. According to the invention, soluble polyvinylpyrrolidone can be used to prevent crystallization of the drug, without affecting the rate of drug delivery from the pressure-sensitive adhesive composition.|
|Inventor(s):||Miranda; Jesus (Miami, FL), Sablotsky; Steven (Miami, FL)|
|Assignee:||Noven Pharmaceuticals, Inc. (Miami, FL)|
Patent Claim Types:|
see list of patent claims
|Composition; Delivery; Device;|
Field: Medical technology
Back Citations: 55th percentile
Forward Citations: 12th percentile
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Argentina||002355||<disabled in preview>|
|Austria||122240||<disabled in preview>|
|Austria||144704||<disabled in preview>|
| This preview shows a limited data set|
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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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