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US 2012/0269878 A2Published application
Composition For Transdermal Delivery Of Fentanyl
OwnerAdam Cantor, Terrance Ocheltree +1inventors
InventorsAdam Cantor, Terrance Ocheltree, Cynthia Robles
Life of this patent
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Abstract
A transdermal drug delivery composition comprises an acrylate copolymer and from about 8% to about 30% by weight fentanyl. A transdermal fentanyl delivery composition comprising methyl laurate or tetraglycol as a permeation enhancer is also provided. The transdermal drug delivery compositions can be used to make a transdermal drug delivery device for the delivery of fentanyl.
Claims14
1-9. (canceled)
A transdermal patch for administering fentanyl through the skin comprising:
- (a) a backing layer;
- and
- (b) a polyacrylate adhesive reservoir disposed on the backing layer, at least the skin contacting surface of said reservoir being adhesive;
- comprising a single phase polymeric composition free of undissolved fentanyl and containing an amount of fentanyl sufficient to induce and maintain analgesia in a human for at least three days.
1 more element
(canceled)
A monolithic transdermal patch for administering fentanyl through the skin comprising:
- a) a backing layer;
- and
- b) a polyacrylate adhesive reservoir disposed on the backing layer, at least the skin contacting surface of said reservoir being adhesive, comprising a single phase polymeric composition to be free of undissolved components and containing an amount of fentanyl sufficient to induce and maintain analgesia in a human for at least three days.
Dependencies are inferred from the claim text.