Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10155771 | Selective reduction of morphinan alkaloids | C. Oliver Kappe, Bartholomaus Pieber | 2018-12-18 |
| 8058439 | Process for preparing oxycodone having reduced levels of 14-hydroxycodeinone | Yong Zhang, Wen-Chun Zhang, Karen E. James | 2011-11-15 |
| 7999104 | Methods for one-pot N-demethylation/N-acylation of morphine and tropane alkaloids | Robert James Carroll, Hannes Leisch, Tomas Hudlicky | 2011-08-16 |
| 7906647 | Process for preparing oxycodone having reduced levels of 14-hydroxycodeinone | Yong Zhang, Wen-Chun Zhang, Karen E. James | 2011-03-15 |
| 7875719 | Process for reducing impurities in oxycodone base | Yong Zhang | 2011-01-25 |