Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547980 | Bicyclic sulfones, processes for their production and pharmaceutical agents containing them | Walter-Gunar Friebe, Erhard Reinholz | 1996-08-20 |
| 5447934 | Anti-allergic thiadiazolo [4,3-a]pyridine derivatives | Walter-Gunar Friebe | 1995-09-05 |