Patent ID: 8141706

Claim:
A patch package structure which comprises: a package comprising a first sheet material and a second sheet material, said first and second sheet materials being sealed together in peripheral parts thereof; and a patch disposed in the package, wherein the patch comprises a backing, a pressure-sensitive adhesive layer laminated on at least one side of the backing, and a release liner which protects a pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer, said release liner having an external surface, wherein said external surface has a cut line supporting a peel-off of the release liner at the time of using the patch, wherein the patch is disposed in the package so that the release liner faces the inner surface of the first sheet material, wherein the first sheet material has a first region in which the inner surface of the first sheet material faces the cut line of the release liner, and the first sheet material has in the first region a minimum first distance between the inner surface of the first sheet material and the external surface of the release liner, and wherein the first sheet material has in the first region a protrudent part which projects toward an outside of the package, said protrudent part having an outer shape which includes an outer shape of the cut line.