Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4461763 | "Oximes of 3'""-dehydrocardenolide tridigitoxosides" | Wolfgang Schaumann, Wolfgang Voigtlander, Edgar Hoyer, Peter Neubert | 1984-07-24 |
| 4436735 | "Ketals of 3'""-dehydrocardenolide tridigitoxosides" | Wolfgang Schaumann, Wolfgang Voigtlander, Edgar Hoyer, Peter Neubert | 1984-03-13 |
| 4387104 | N-Substituted pyruvic acid hydrazones, preparation thereof and pharmaceutical compositions containing them | Ruth Heerdt, Hans-Peter Wolff, Wolfgang Schaumann, Hans-Frieder Kuhnle | 1983-06-07 |
| 4353895 | Cardenolide-bis-digitoxoside alkyl compounds, pharmaceutical compositions and method of use | Wolfgang Schaumann, Wolfgang Voigtlander, Edgar Hoyer, Klaus Koch | 1982-10-12 |
| 4292314 | Cardioactive 12-dehydrodigoxin-oximes | Klaus Koch, Wolfgang Schaumann, Wolfgang Voigtlander | 1981-09-29 |