Lectec Corporation

Daniel M McWhorter

David Rolf

Teri Buseman

David H Brandwein

Jane Nichols

The present invention provides a water insoluble, protective, adhesive skin patch useful for treating or preventing psoriasis, dermatitis, and/or eczema. The adhesive patch includes a backing that is treated with a sizing agent (e.g., a fluorocarbon solution, a silicone-containing compound, or a combination thereof). The present invention also provides a method for treating or preventing at least one of psoriasis, dermatitis, and eczema in a mammal (e.g., human) and a method for exfoliating the skin surface of a mammal.

Psoriasis patch

An adhesive patch is provided wherein the patch includes a flexible backing having a front side and a back side. The patch also includes a therapeutic formulation positioned on and in at least a portion of the front side of the backing such that the therapeutic formulation is partially embedded in at least a portion of the front side of the backing. At least a portion of the backing is treated with a hydrophobic sizing agent such that the portion of the backing that is treated with the hydrophobic sizing agent has a surface energy of about 20 dynes/cm to about 65 dynes/cm . The therapeutic formulation includes a topical acne drug, a solvent that dissolves the topical acne drug, and a pressure sensitive adhesive.

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Eagan, MN, United States of America

Daniel M McWhorter