Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443170 | Cleaning apparatus for removing residues | Frans Vansant, Jozef de Hert, Dieter Köffer, Gerhard Theis | 2002-09-03 |
| 6265625 | Isolation of glycols | Frans Vansant, Jozef de Hert, Dieter Köffer, Gerhard Theis | 2001-07-24 |
| 6123812 | Process for distilling ethylene oxide | Bernd Bessling, Sebastian Zeck, Jürgen Plückhan, Thomas Mayer, Ulrich Loffler +8 more | 2000-09-26 |