Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696156 | Triterpene derivatives with immunosuppressant activity | Frank Kayser, Jianming Bao, William H. Parsons, Kathleen M. Rupprecht | 1997-12-09 |
| 5679705 | Triterpene derivatives with immunosuppressant activity | Frank Kayser, Jianming Bao, William H. Parsons, Kathleen M. Rupprecht | 1997-10-21 |