Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938907 | Method for recovering guanidine salts | Klaus-Peter Stengele | 1999-08-17 |
| 4959391 | Phenol derivatives, pharmaceutical compositions containing these compounds and processes for the preparation of these compounds and compositions | Oswald Zimmer, Werner Vollenberg, Gerriet K. H. Loschen, Werner Winter, Ulrich G. P. Seippl | 1990-09-25 |
| 4760087 | Phenol derivatives and pharmaceutical compositions containing these compounds | Oswald Zimmer, Werner Vollenberg, Gerriet K. H. Loschen, Werner Winter, Ulrich Seipp | 1988-07-26 |