Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324871 | Hydrogenation process | Franz-Josef Carduck, Theo Fleckenstein, Udo Kreutzer, Guenther Demmering | 1994-06-28 |
| 5294583 | Use of colloidal silica sol as an auxiliary for catalysts | Joachim Pohl, Franz-Josef Carduck | 1994-03-15 |