Water resistant patch preparation
AssigneeNitto Denko Corporation
InventorsKazuhiro Aoyagi, Yoshihiro Iwao, Kensuke Matsuoka
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Abstract
The present invention provides a water resistant patch preparation having a central part and a peripheral part, which preparation is comprised of a support and an adhesive layer comprising a drug, which is formed on one surface of the support, wherein at least a part of a lateral end of the adhesive layer in the peripheral part is located inside a lateral end of the support, and the adhesive layer in the peripheral part has a thickness smaller than that of the adhesive layer in the central part.
Claims18
A water resistant patch preparation comprising (a) a support with at least one surface and (b) an adhesive layer containing a drug, wherein
- the water resistant patch preparation has a central part and a peripheral part surrounding the central part,
- the adhesive layer is disposed on one surface of the support in the central part and in a portion of the peripheral part, wherein the one surface of the support containing the adhesive layer has at least a portion in the peripheral part that is free of the adhesive layer,
- the portion of the peripheral part of the support that is free of the adhesive layer has a width of 0.5-5 mm, and
- the adhesive layer in the peripheral part has a thickness that is smaller than a thickness of the adhesive layer in the central part.
Dependencies are inferred from the claim text.