Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693807 | Substituted hydroquinone derivatives | Gerhard Fischer | 1997-12-02 |
| 5625059 | Process for the manufacture of 4-acetoxy-3-hydroxyethyl-azetidinone | Jacques Bersier | 1997-04-29 |