Patent ID: 9456993
Filing Date: 2016-10-04
CPC Classification: A61K,A61P

Claim Text:
1. A composition for the transdermal delivery of amphetamine in the form of a flexible finite system for topical application, comprising (i) a polymer matrix comprising amphetamine or a pharmaceutically acceptable salt or prodrug thereof and (ii) a backing layer comprising (a) a polyurethane film layer and (b) a polyester film layer, wherein a polyurethane adhesive is disposed between the polyurethane film layer and the polyester film layer, wherein the polyurethane film layer of the backing layer is adjacent the polymer matrix, and wherein the polyurethane adhesive of the backing layer is selected from the group consisting of isocyanate-terminated polyether urethanes and isocyanate-terminated polyester urethanes, which optionally may be cured or part of a two-component adhesive.