Patent ID: 6791003
Filing Date: 2004-09-14
Classification: A61K,A61P

Abstract:
A dual drug containing adhesive transdermal drug delivery system comprising:1)a support layer, 2) pressure-sensitive adhesive layers comprising a first drug containing adhesive layer and a second drug containing adhesive layer, each of said layers having a proximal surface and a distal surface, wherein said first and second adhesive layers are positioned adjacent to each other, the distal surface of each said adhesive layer is laminated to said support layer, the solubility of a drug in said first adhesive layer is within the range of 1.0 to 20 mg/ml, and the solubility of the drug in said second adhesive layer is within the range of 30 to 200 mg/ml, and 3) a peelable backing layer positioned over and laminated to the proximal surface of said first and second adhesive layers.