Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863949 | Aminopropanol derivatives, processes for the preparation thereof, the use thereof and pharmaceutical compositions containing them | Helmut Michel, Wolfgang Bartsch, Klaus Strein | 1989-09-05 |
| 4801596 | Nitroxy amino propanols for treating heart and circulatory diseases | Helmut Michel, Walter-Gunar Friebe, Wolfgang Bartsch | 1989-01-31 |