Patent ID: 6379695
Filing Date: 2002-04-30
Classification: A61K,A61P

Abstract:
An adhesive plaster having a thickness lower than 500 &mgr;m consisting of:a) a support consisting of an outer layer in plastic film and an inner layer in woven or non-woven fabric having approximately the same size as the plastic film, (b) an adhesive layer placed on the support inner layer approximately the same size as the support, said layer consisting essentially of an adhesive matrix in the form of hydrogel, betamethasone valerate, sodium hyaluronate, a thickener, a preservative, a wetting agent, a cross-linking agent, a stabilizer and a pH adjuster, and (c) a protective plastic film contacted with the adhesive layer and removable immediately prior to use wherein the concentration of betamethasone valerate in the adhesive layer is 0.1% by weight and the concentration of sodium hyaluronate in the adhesive layer is 0.2% by weight.