The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 2002
Filed:
Jan. 19, 2001
Teri Buseman, Minnetonka, MN (US);
David Rolf, Eden Prairie, MN (US);
Daniel M. McWhorter, Eagan, MN (US);
Lec Tec Corporation, Minnetonka, MN (US);
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 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.