Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670439 | 2H-1-benzopyran-2-one derivatives, processes for the preparation thereof and pharmaceutical compositions containing them | Ernst-Christian Witte, Androniki Roesch | 1987-06-02 |
| 4461763 | "Oximes of 3'""-dehydrocardenolide tridigitoxosides" | Wolfgang Schaumann, Fritz Kaiser, Wolfgang Voigtlander, Edgar Hoyer | 1984-07-24 |
| 4436735 | "Ketals of 3'""-dehydrocardenolide tridigitoxosides" | Wolfgang Schaumann, Fritz Kaiser, Wolfgang Voigtlander, Edgar Hoyer | 1984-03-13 |