Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8058439 | Process for preparing oxycodone having reduced levels of 14-hydroxycodeinone | D. Phillip Cox, Wen-Chun Zhang, Karen E. James | 2011-11-15 |
| 7906647 | Process for preparing oxycodone having reduced levels of 14-hydroxycodeinone | D. Phillip Cox, Wen-Chun Zhang, Karen E. James | 2011-03-15 |
| 7875719 | Process for reducing impurities in oxycodone base | D. Phillip Cox | 2011-01-25 |