Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528091 | Controlled release formulation of divalproex sodium | Yihong Qiu, Howard Cheskin, J. Daniel Bollinger, Robert K. Engh | 2003-03-04 |
| 6419953 | Controlled release formulation of divalproex sodium | Yihong Qiu, Howard Cheskin, J. Daniel Bollinger, Robert K. Engh | 2002-07-16 |