Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851406 | Heterocyclic-substituted indoles and pharmaceutical compositions containing them | Alfred Mertens, Wolfgang von der Saal, Walter-Gunar Friebe, Bernd Muller-Beckmann | 1989-07-25 |
| 4847251 | Pyridazinone derivatives, and pharmaceutical compositions containing them | Alfred Mertens, Wolfgang von der Saal, Bernd Muller-Beckmann | 1989-07-11 |
| 4835167 | Tricyclic benzotriazoles, processes for the preparation thereof and pharmaceutical compositions containing them | Wolfgang von der Saal, Walter-Gunar Friebe, Alfred Mertens, Bernd Muller-Beckmann | 1989-05-30 |