Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8829232 | Process for preparing aromatic isocyanates | Ulrich Penzel, Torsten Mattke, Andreas Wölfert, Johannes Jacobs, Tsung-Chieh Cheng +6 more | 2014-09-09 |
| 7001490 | Purification of ammonia by distillation | Karl-Heinz Wostbrock, Gerd Kaibel, Gabriele Anken | 2006-02-21 |
| 6956141 | Method for preparing acetylene alcohols and their secondary products | Melanie Maas-Brunner, Jochem Henkelmann, Gerd Kaibel, Alois Kindler, Christian Knoll +5 more | 2005-10-18 |
| 6828468 | Preparation of higher &agr;, &bgr;-unsaturated alcohols | Andreas Ansmann, Jochem Henkelmann, Alois Kindler, Heinz Etzrodt, Carsten Oost +5 more | 2004-12-07 |
| 6716937 | Method for the single-step production of polytetrahydrofuran and tetrahydrofuran copolymers | Gerd Bohner, Thomas Domschke, Rolf Fischer, Martin Haubner, Christoph Sigwart +1 more | 2004-04-06 |
| 6686506 | Process for the preparation of organic disulfides | Werner Hesse, Hans-Josef Sterzel | 2004-02-03 |
| 6531629 | Method of producing alkanesulfonic acid | Matthias Eiermann, Klaus Ebel | 2003-03-11 |
| 6423861 | Method of producing dimethyl sulfite | Klaus Halbritter, Hans-Josef Sterzel, Eva Freudenthaler | 2002-07-23 |
| 6387222 | Continuous isolation of a high-melting material by distillation | Gerd Kaibel | 2002-05-14 |
| 6297407 | Method for producing alkyne diols | Alois Kindler, Melanie Brunner, Jochem Henkelmann | 2001-10-02 |