Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833057 | Pure ethylene oxide distillation process | Hans Hasse, Jürgen Plückhan, Thomas Mayer, Heinz Auer | 2004-12-21 |
| 6696603 | Method for cleaning off-gas flows | Heinz Auer, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more | 2004-02-24 |
| 6696610 | Continuous preparation of monoethanolamine, diethanolamine and triethanolamine | Werner Peschel, Axel Hildebrandt | 2004-02-24 |