Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239657 | Manufacture of carbonyl compounds | Axel Nissen, Ekkehard Sapper, Werner Fliege, Arnold Wittwer | 1980-12-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239657 | Manufacture of carbonyl compounds | Axel Nissen, Ekkehard Sapper, Werner Fliege, Arnold Wittwer | 1980-12-16 |