Patent ID: 7074421

Claim:
An ointment patch consisting essentially of a support, an ointment, and optionally, a separator, wherein the ointment is coated on one surface of the support in an amount of 0.1 mg to 200 mg per 1 cm 2 of the support, and the support has a thickness of 1 Î¼m to 2000 Î¼m and 50% modulus of 5 g/cm to 600 g/cm, a water vapor permeability of 100 g/m 2 /24 hrs or higher, and is composed of a copolymer of vinyl acetate and acrylic acid, wherein the copolymer is obtained by copolymerizing a vinyl acetate, an alkyl ester of a (meth)acrylic acid with the alkyl having 4 to 14 carbon atoms on average, and a (meth)acrylic acid in amounts of 0 to 90 wt %, 10 to 97 wt %, and 0 to 15 wt %, respectively, and the copolymer is cross-linked.