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Endo Acquires Patent for Oxymorphone Hydrochloride from Johnson Matthey

5:30 AM MDT | March 23, 2012 | Deepti Ramesh

Endo Pharmaceuticals (Chadds Ford, PA) says it has acquired U.S. patent for oxymorphone hydrochloride, the key active pharmaceutical ingredient (API) in all formulations of paint management product Opana, from Johnson Matthey (London). By acquiring Johnson Matthey's patent to the oxymorphone ingredient, which will be listed in the U.S. Food and Drug Administration's (FDA) orange book, Endo will enjoy additional patent protection for its Opana franchise, now through 2029, Endo says. “This patent not only covers our newly designed to be crush resistant Opana...

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