Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7087243 | Pharmaceutical coating composition and method of use | David E. Edgren, Shu Li, Patrick S. L. Wong, Gurdish K. Bhatti, Liang Dong | 2006-08-08 |
| 7060734 | Pharmaceutical coating composition and method of use | David E. Edgren, Shu Li, Patrick S. L. Wong, Gurdish K. Bhatti, Liang Dong | 2006-06-13 |
| 5902605 | Drug delivery device with minimal residual drug retention | Liang Dong, Patrick S. L. Wong, Crystal Pollock | 1999-05-11 |
| 5800422 | Osmotic device with delayed activation of drug delivery and complete drug release | Liang Dong, Patrick S. L. Wong, Lawrence G. Hamel, Michael H. Dealey | 1998-09-01 |