Patents Examined by Charnajit Aulakh
  • Oxycodone compositions
    Patent number: 9522919
    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.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: December 20, 2016
    Assignees: Purdue Pharma L.P., P.F. Laboratories, Inc., Purdue Pharmaceuticals L.P., Rhodes Technologies
    Inventors: Robert Chapman, Lonn S. Rider, Qi Hong, Donald Kyle, Robert Kupper