Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696048 | Cobalt catalysts | Boris Breitscheidel, Peter Polanek, Guido Voit, Tom Witzel, Gerd Linden | 1997-12-09 |
| 5679869 | Preparation of aldehydes | Werner Schnurr, Rolf Fischer, Joachim Wulff-Doring | 1997-10-21 |
| 5663438 | Preparation of cyclic amines | Ulrich Kohler, Frank-Friedrich Pape, Matthias Irgang, Joachim Wulff-Doring, Peter Polanek | 1997-09-02 |
| 5648545 | Preparation of amines from nitriles by alkylation with a nitrogen compound in the presence of a copper oxide/zirconium oxide catalyst | Wolfgang Reif, Horst Zimmermann, Heinz Lingk | 1997-07-15 |
| 5645281 | Method of playing a card game | Vincent A. Oliver | 1997-07-08 |