Medicinal adhesive for percutaneous administration
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United States of America Patent
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Apr 9, 1996
Issued Date -
N/A
app pub date -
Apr 1, 1994
filing date -
Nov 30, 1992
priority date (Note) -
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Abstract
Disclosed herein is a medicinal adhesive for percutaneous administration of a drug consisting of a support (backing layer), an adhesive layer comprising an oil-soluble drug, an adhesive resin, a penetration enhancer, a water-absorptive material and a lenitive agent, and a separate liner, charaterized in that the adhesive layer has a laminated structure having 2 to 5 layers and each layer has different water absorption capacities, and the drug is a oil-soluble, non-steroidal drug. For the adhesive of the present invention, the lowest layer which is to be contacted with the skin has the lowest water absorption capacity and the most upper layer in contact with the support has the highest water absorption capacity, or vice versa.
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