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Details for Patent: 5,508,038

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Summary for Patent: 5,508,038

Title: Polyisobutylene adhesives for transdermal devices
Abstract:An in-line adhesive, useful for transdermal delivery devices comprising a mixture of high and low molecular weighted polyisobutylene having a ratio HMW PIB:LMW PIB in the range of about 5-40:95-60 which is substantially free of plasticizers and tackifiers is disclosed. The adhesive finds particular use as a component of a transdermal delivery device for delivering oily non-polar agents such as nicotine, benztropine, secoverine, dexsecoverine, and arecoline.
Inventor(s): Wang; Karly S. (Newark, CA), Osborne; James L. (Mountain View, CA), Hunt; James A. (Fremont, CA), Nelson; Melinda K. (Sunnyvale, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:07/509,644
Patent Claim Types:
see list of patent claims
Composition; Delivery; Device;
Patent PDF download available with subscription

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International Patent Family for Patent: 5,508,038

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
Greece3019157May 31, 1996
Canada2040352Oct 17, 1991
Austria134512Mar 15, 1996
Germany69117505Apr 04, 1996
South Korea0150228Oct 01, 1998
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Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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