Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828457 | Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile | Frank Ohlbach, Christoph Benisch, Hermann Luyken, Andreas Ansmann, Rolf Fischer +2 more | 2004-12-07 |
| 6686465 | Preparation of cyclic lactams | Frank Ohlbach, Andreas Ansmann, Peter Bassler, Rolf Fischer, Hermann Luyken +1 more | 2004-02-03 |
| 6683178 | Preparation of cyclic lactams | Frank Ohlbach, Andreas Ansmann, Peter Bassler, Rolf Fischer, Hermann Luyken +1 more | 2004-01-27 |