Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861508 | Purification of a cephalosporin salt | Johannes Ludescher, Siegfried Wolf | 1999-01-19 |
| 5659030 | Purification of a cephalosporin salt | Johannes Ludescher, Siegfried Wolf | 1997-08-19 |