Acne patch
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United States of America Patent
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-
Dec 17, 2002
Issued Date -
N/A
app pub date -
Jan 19, 2001
filing date -
Jan 19, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.sup.2 to about 65 dynes/cm.sup.2. 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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