Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5512697 | Preparation of aliphatic alpha, omega-aminonitriles | Werner Schnurr, Rolf Fischer, Wolfgang Harder | 1996-04-30 |
| 5495015 | Process for producing caprolactam through hydrolytic cleavage of molten polycaprolactam | Michael Kopietz | 1996-02-27 |
| 5455346 | Obtaining caprolactam by cleavage of molten polycaprolactam | Michael Kopietz, Ulrich Kalck, Simon Jones, Claus-Ulrich Priester | 1995-10-03 |
| 4520125 | Catalyst for the preparation of methyl methacrylate | Karl Baer, Gerd Duembgen, Gerd Fouquet, Richard Krabetz, Franz Merger +1 more | 1985-05-28 |
| 4410495 | Ozonizer with sleeve electrodes | Ulrich Kogelschatz | 1983-10-18 |