Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700000 | Preparation of calcium propionate | Dieter Merkel, Hans Diem, Guenther Matthias | 1987-10-13 |
| 4233246 | Manufacture of aliphatic hydroxycarbonyl compounds etherified with aliphatic groups | Christian Dudeck, Gunter Lehmann, Norbert Petri, Hans Diem, Werner Fliege +2 more | 1980-11-11 |