Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818794 | Extraction of ketazine solutions | Ottfried Schlak, Hans-Georg Adams | 2004-11-16 |
| 6673955 | Preparation of triethyl phosphate | Karl-Heinz Mitschke, Kaspar Hallenberger, Ottfried Schlak | 2004-01-06 |