Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414140 | Process for the production of 3-vinyl cephalosporins | Josef Wieser, Gerd Ascher, Johannes Ludescher | 2002-07-02 |
| 6248881 | Intermediates and process for the production of 3-vinyl cephalosporins | Josef Wieser, Gerd Ascher, Johannes Ludescher | 2001-06-19 |