Answers: These links might back.
http://www.suboxone.com/patients/opioidd...
http://en.wikipedia.org/wiki/Oxycodone
OxyContin, was first introduced to the US bazaar by Purdue Pharma L.P. in 1996. This pharmaceutical company be founded in 1892 surrounded by New York City, and is currently a privately owned company that operates solely in the United States. The different branches within this company include, Purdue Pharma L.P., The Purdue Frederick Company, Purdue Pharmaceutical Products L.P., and Purdue Products L.P. (www.pharma.com). It have multiple patents for their drug OxyContin, but have recently be involved in a series of ongoing lawful battles decide on whether or not these patents are valid.
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