Leydig, Voit & Mayer, Ltd.
Patch and patch preparation
The invention provides a patch and a patch preparation having an adhesive layer with a high adhesive force, wherein the hydrophobic adhesive layer does not bloom even when an organic fluid component having high polarity is contained therein. The patch contains a support and an adhesive layer on at least one surface of the support, wherein the adhesive layer contains a synthetic rubber having a viscosity average molecular weight of 500,000-1,600,000, an organic fluid component having high polarity, a tackifier, and magnesium aluminometasilicate. In the patch preparation, the above-mentioned adhesive layer further contains a drug.
Nitto Denko Corporation
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A61K A61K A61L A61K
inventional inventional inventional inventional
Yoshihiro Katsuhiro Masato Kensuke
Iwao Okada Nishimura Matsuoka