Patent ID: 8114434

Claim:
A method of treating pain, comprising topically applying an analgesic anti-inflammatory Pressure Sensitive Adhesive (PSA) patch, comprising a soft support and a PSA layer on the soft support, to a subject in need thereof, wherein the PSA layer comprises 1 wt. % of diclofenac sodium, 2 to 4 wt. % of N-methyl-2-pyrrolidone, 2 wt. % of propylene glycol monocaprylate, 0.4 wt. % of citric acid, 28.5 to 38 wt % of a styrene-isoprene-styrene block copolymer, 2 to 4 wt % polyisobutylene, 12 to 25 wt % of an ester gum, 30 to 40 wt % of liquid paraffin, and no added water.