Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674861 | Fluorinated steroids | Paul Andersson, Ralph Lennart Brattsand, Arne Thalen | 1997-10-07 |
| 5614514 | Steroid esters | Ralph Lennart Brattsand, Leif Arne Kallstrom, Arne Thalen | 1997-03-25 |