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www.fdanews.com/articles/126903-dusa-pharmaceuticals-reports-notice-of-allowance-for-key-pdt-device-patent

DUSA Pharmaceuticals Reports Notice of Allowance for Key PDT Device Patent

May 7, 2010
DUSA Pharmaceutical, a dermatology company that is developing and marketing Levulan Photodynamic Therapy (PDT), announced that the United States Patent and Trademark Office has issued a notice of allowance for a key patent related to its proprietary PDT light source, the BLU-U, Blue Light Photodynamic Therapy Illuminator.
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