Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5985912 | 4-hydroxy coumarin derivatives | Bingwei Yang, Joyce A. Sutcliffe | 1999-11-16 | $304,077,000 |
| 5624951 | 4-hydroxy coumarin derivatives with antibacterial activity | Bingwei Yang, Joyce A. Sutcliffe | 1997-04-29 | $150,868,000 |