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US 7,683,072 B2Granted
Oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone
AssigneePurdue Pharma L.P.
InventorsRobert Chapman, Lonn S. Rider, Qi Hong, Donald Kyle, Robert Kupper
Life of this patent
Estimating the term…
Abstract
In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.
Claims14
An oxycodone hydrochloride active pharmaceutical ingredient having less than 25 ppm 14-hydroxycodeinone, wherein at least a portion of the 14:hydroxycodeinone is derived from 8α,14-dihydroxy-7,8-dihydrocodeinone.
Dependencies are inferred from the claim text.