Felbinac-containing external patch
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United States of America Patent
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Dec 5, 2017
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N/A
app pub date -
Nov 1, 2011
filing date -
Nov 2, 2010
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Abstract
Provided is a felbinac-containing external patch which can exhibit high drug release properties, low skin irritation, and high drug stability, wherein felbinac having an average particle diameter of 5 μm or more and less than 100 μm is dispersed and mixed in an adhesive base including a styrene-isoprene-styrene block copolymer, an alicyclic saturated hydrocarbon resin, a softener, and diethyl sebacate, and does not contain L-menthol. Specifically, in the felbinac-containing external patch, 0.1 to 10% by weight of felbinac having an average particle diameter of 5 μm or more and less than 100 μm is dispersed and mixed in an adhesive base including 10 to 30% by weight of a styrene-isoprene-styrene block copolymer, 10 to 50% by weight of an alicyclic saturated hydrocarbon resin, 10 to 75% by weight of a softener, and 0.1 to 10% by weight of diethyl sebacate.
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