Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696048 | Cobalt catalysts | Boris Breitscheidel, Peter Polanek, Tom Witzel, Gerd Linden, Michael Hesse | 1997-12-09 |
| 5693793 | Preparation of caprolactam from 6-aminocapronitrile | Josef Ritz, Eberhard Fuchs, Gunther Achhammer, Rolf Fischer | 1997-12-02 |
| 5679855 | Preparation of benzophenone imines | Martin Holderbaum, Tom Witzel, Alexander Aumuller | 1997-10-21 |