Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344215 | Methylphenidate modified release formulations | Phillip J. Percel, Dan L. Hensley, Krishna Vishnupad, Gopi M. Venkatesh | 2002-02-05 |
| 5709886 | Effervescent microcapsules | Phillip J. Percel, Thomas C. Powell | 1998-01-20 |
| 5639475 | Effervescent microcapsules | Phillip J. Percel, Thomas C. Powell | 1997-06-17 |
| 5622723 | Procedure for encapsulating chlorpheniramine | Sambasiva Rao Ghanta | 1997-04-22 |