EXTERNAL PATCHES CONTAINING ETOFENAMATE
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United States of America Patent
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Apr 29, 2014
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Dec 15, 2004
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Abstract
The present invention provides to patches having excellent skin-permeability and therapeutic effect by the drug with lower irritation. In an external patch in which an adhesive layer containing an adhesive base and a drug are laminated with a backing, the external patch wherein the adhesive base contains 5-50% by weight of synthetic rubber polymer, 10-60% by weight of adhesive resin and 25-60% by weight of liquid paraffin, and the drug is etofenamate. According to the present invention, there is obtainable the patches having excellent skin-permeability and therapeutic effect by the drug with lower irritation.
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