US9456993 — Compositions and methods for transdermal delivery of amphetamine
Method of Use · Assigned to Noven Pharmaceuticals Inc · Expires 2033-10-24 · 7y remaining
What this patent protects
This patent protects compositions and methods for delivering amphetamine through the skin in a flexible, finite form with a short onset period and a long duration of therapeutic effect.
USPTO Abstract
Compositions for the transdermal delivery of amphetamine in a flexible, finite form are described. The compositions comprise a polymer matrix that includes amphetamine or a pharmaceutically acceptable salt or prodrug thereof and a backing layer comprising a polyurethane film layer and a polyester film layer, with a polyurethane adhesive disposed therebetween. Related methods also are described. Also described are compositions that exhibit a short onset period and a long duration of therapeutic effect.
Drugs covered by this patent
FDA Patent Use Codes
When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.
| Code | Description | Drug |
|---|---|---|
U-3340 |
— | dextroamphetamine |
U-3340 |
— | dextroamphetamine |
U-3340 |
— | dextroamphetamine |
U-3340 |
— | dextroamphetamine |
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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