Patent ID: 6723337
Filing Date: 2004-04-20
Classification: A61K,A61P,Y10S

Abstract:
A transdermal drug delivery system for an anti-inflammatory analgesic agent comprising a backing film, a laminated matrix less than 300 &mgr;m in thickness and a release liner; wherein said laminated matrix comprises a volatile layer consisting essentially of 0.1 to 10 wt % of a terpene enhancer and 0.1 to 10 wt % of a dissolution assistant, wherein said volatile layer is sandwiched between two non volatile layers consisting essentially of 40Ëœ95 wt % of a non-aqueous acrylic polymer adhesive, 1Ëœ25 wt % of diclofenac diethylammonium and 0.1 to 20 wt % of a non-ionic surfactant.