Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696303 | Process for the preparation of aliphatic .alpha., .omega.-diols | Gerhard Darsow, Gerd-Michael Petruck | 1997-12-09 |
| 5336376 | Distillation column with vaporous sidestream removal | Siegfried Taurat, Heinrich Steude, Ludwig Deibele | 1994-08-09 |
| 4990685 | Process for the preparation of aqueous formaldehyde solutions | Karl-Heinz Dietz, Bernd-Ulrich Schenke, Reinhard Thiel | 1991-02-05 |
| 4784981 | Vanadium/phosphorus mixed oxide catalyst, process for its preparaton and its use | Karl Heller, Gunther Lenz | 1988-11-15 |