COVER MATERIAL-EQUIPPED PATCH AND COVER MATERIAL-EQUIPPED PATCH KIT

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United States of America Patent

SERIAL NO

15103768

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A cover material-equipped patch comprising:

    a patch; anda cover material, whereinthe patch comprises a support layer and a drug reservoir layer which is stacked on one surface of the support layer and which contains a drug and a drug reservoir base agent,the cover material comprises a cover layer and an adhesive layer which is stacked on one surface of the cover layer and which contains an adhesive base agent,the patch and the cover material are arranged in such a manner that the adhesive layer is stacked on another surface of the support layer, anda solubility parameter (SPa) of the drug, a solubility parameter (SPb) of the drug reservoir base agent, and a solubility parameter (SPc) of the adhesive base agent simultaneously satisfy conditions represented by the following formulae (1) to (3):

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Patent Owner(s)

Patent OwnerAddress
HISAMITSU PHARMACEUTICAL CO INCSAGA COUNTY JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MICHINAKA, Yasunari Tsukuba-shi, JP 21 80
SHINODA, Tomohiro Tsukuba-shi, JP 27 369

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