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US007723910B2
(12) United States Patent ao) Patent No.: Us 7,723,910 B2
Lundahl et al. (45) Date of Patent: May 25,2010
(54) METHOD OF PHOTODYNAMICALLY DIAGNOSING OR TREATING A CONTOURED SURFACE
(75) Inventors: Scott Lundahl, Lexington, MA (US);
Rebecca Kozodoy, Randolph, MA (US);
Ronald Carroll, Hingham, MA (US);
Elton Leppelmeier, Highland Height,
OH (US)
(73) Assignee: DUSA Pharmaceuticals, Inc.,
Wilmington, DE (US)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 412 days.
(21) Appl.No.: 11/716,014
(22) Filed: Mar. 9, 2007
(65) Prior Publication Data
US 2007/0249716 Al Oct. 25, 2007
2,560,808 A 7/1951 MacCallum
26 Claims, 15 Drawing Sheets