Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12071521 | Method, device and use for reprocessing substantially polyalkylene terephthalate | Carsten Eichert, Esther Brepohl, Lars Biermann | 2024-08-27 |
| 7592479 | Reprocessing of reaction material discharged from phosgenation reactors | Eckhard Stroefer, Martin Sohn, Andreas Woelfert, Hans-Juergen Pallasch, Jan Peter Bredehoeft | 2009-09-22 |
| 6888006 | Method for processing pyrollidone and n-vinyl pyrollidone residues | Herbert Helfert, Martin Schmidt-Radde, Gerhard Laqua, Ulrich Eiden, Christoph Übler | 2005-05-03 |
| 6610888 | Reaction of a solution comprising a mixture | Eckhard Ströfer, Hans Hasse | 2003-08-26 |
| 6513581 | Heat exchanger with a reduced tendency to produce deposits and method for producing same | Stephan Huffer, Axel Franke, Hans Mueller-Steinhagen, Qi Zhao, Bernd Diebold +1 more | 2003-02-04 |
| 6123812 | Process for distilling ethylene oxide | Bernd Bessling, Sebastian Zeck, Jürgen Plückhan, Thomas Mayer, Ulrich Loffler +8 more | 2000-09-26 |
| 6066232 | Method and vaporizer for vaporizing oxidation-sensitive compounds | Jurgen Mohr, Frans Vansant, Axel Werner Polt, Siegfried Kruger, Hartmut Staatz | 2000-05-23 |
| 6048441 | Isolation of neopentyl glycol hydroxypivalate (NGH) | Heinz Auer, Siegfried Kruger, Theodor Weber, Johann-Peter Melder | 2000-04-11 |