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): | Karly S. Wang, James L. Osborne, James A. Hunt, Melinda K. Nelson |
| Assignee: | Alza Corp |
| Application Number: | US07/509,644 |
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Patent Claim Types: see list of patent claims | Composition; Delivery; Device; |
Drugs Protected by US Patent 5,508,038
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International Family Members for US Patent 5,508,038
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Austria | 134512 | ⤷ Start Trial | |||
| Australia | 630817 | ⤷ Start Trial | |||
| Australia | 7852191 | ⤷ Start Trial | |||
| Canada | 2040352 | ⤷ Start Trial | |||
| Germany | 69117505 | ⤷ Start Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
