Patch and adhesive preparation

A - Human Necessities – 61 – M

Patent

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Details

A61M 37/00 (2006.01) A61F 13/02 (2006.01) A61K 9/70 (2006.01) A61L 15/58 (2006.01)

Patent

CA 2637874

The invention relates to a patch including a backing, a pressure-sensitive adhesive layer, and a release liner, the patch at an edge part thereof having such a sectional shape that, when a perpendicular segment is drawn from an edge of the backing at the edge part of the patch to the release liner, at least a part of an edge of the pressure-sensitive adhesive layer at the edge part of the patch is located on the center side of the patch with respect to the segment, and the edge of the pressure- sensitive adhesive layer being exposed. According to the invention, a patch and an adhesive preparation in each of which the pressure-sensitive adhesive is less apt to protrude or flow out from the edges thereof can be provided.

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