Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139693 | Method for obtaining hexamethylene diamine from mixtures containing hexamethylene diamine | Peter Bassler, Rolf Fischer, Hermann Luyken, Guido Voit | 2000-10-31 |
| 6114567 | Preparation of aliphatic alpha, omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Werner Schnurr, Klaus Ebel, Tom Witzel +2 more | 2000-09-05 |
| 6075169 | Process for preparing oxidation products from cyclohexane in counterflow | Martin Gann, Robert Markl, Rüdiger Schmitt | 2000-06-13 |
| 5801268 | Preparation of aliphatic alpha omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Werner Schnurr, Klaus Ebel, Tom Witzel +2 more | 1998-09-01 |
| 5801267 | Preparation of aliphatic alpha, omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Werner Schnurr, Klaus Ebel, Tom Witzel +2 more | 1998-09-01 |
| 5756808 | Preparation of aliphatic, alpha omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Werner Schnurr, Klaus Ebel, Tom Witzel +2 more | 1998-05-26 |
| 5527946 | Preparation of aliphatic alpha, omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Werner Schnurr, Klaus Ebel, Tom Witzel +2 more | 1996-06-18 |
| 5244929 | Molded bodies comprised of macroporous ion exchange resins, and use of said bodies | Klaus Gottlieb, Wilfried Graf, Kuno Schadlich, Ulrich Hoffmann, Jorg Flato | 1993-09-14 |