Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693863 | Method for the production of E-1-4'- (2- Dimethylaminoethoxy) - Phenyl!-1-(3-Hydroxyphenyl) -2-Phenyl-1-Butene | Helmut Grill | 1997-12-02 |
| 5493051 | Lifibrol and its use | Artur Burger, Anita Lettenbichler, Fritz Stanislaus, Arnim Laicher, Karl Schwitzer | 1996-02-20 |
| 4960937 | Process for the preparation of trans-1,1,2-triphenyl-but-1-ene derivatives | Helmut Grill | 1990-10-02 |