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Generated: August 22, 2017

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Title: Dosage for coadministering drug and percutaneous absorption enhancer
Abstract:A dosage form that coadministers a drug and a percutaneous absorption enhancer to a defined area of the skin. The dosage form comprises a body that contains supplies of drug and enhancer and has a basal surface that contacts the area of skin and transmits the drug and enhancer to the area for absorption thereby. The drug is provided to the basal surface at a rate at least as great as the rate at which the skin is able to absorb the drug whereas the enhancer is via a rate controlling means at a substantially constant rate that increases the permeability of the treated area of skin to the drug to a level at which the drug is absorbed at a therapeutically effective rate.
Inventor(s): Campbell; Patricia S. (Palo Alto, CA), Chandrasekaran; Santosh K. (Palo Alto, CA)
Assignee: ALZA Corporation (Palo Alto, CA)
Application Number:06/235,068
Patent Claim Types:
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Dosage form; Composition; Use;

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International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia4502085► Subscribe
Australia547007► Subscribe
Australia565178► Subscribe
Australia7954582► Subscribe
Canada1166961► 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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