Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8853443 | Process for preparing an isocyanate | Daniel Breuninger, Johannes Adam, Heiner Schelling, Eckhard Stroefer, Markus Kraemer +3 more | 2014-10-07 |
| 8759569 | Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation | Heiner Schelling, Ulrich Penzel, Eckhard Stroefer, Jon S. Speier, Kai Thiele +1 more | 2014-06-24 |
| 8519179 | Method of measuring entry of water into phosgene-conducting plants | Heiner Schelling, Ulrich Penzel, Eckhard Stroefer, Dirk Hablawetz, Dave Beckwith +6 more | 2013-08-27 |
| 6531629 | Method of producing alkanesulfonic acid | Christian Tragut, Klaus Ebel | 2003-03-11 |
| 6495714 | Method for producing alkanesulfonic acids | Klaus Halbritter, Hans-Josef Sterzel, Eva Freudenthaler | 2002-12-17 |
| 6407230 | Method for producing lactams using oligophosphate catalysts | Andreas Ansmann, Klemens Flick | 2002-06-18 |
| 6362381 | Nitration of aromatic hydrocarbons | Klaus Ebel | 2002-03-26 |
| 6353101 | Method for producing lactams | Thomas Narbeshuber | 2002-03-05 |
| 6207025 | Preparation of methane sulfonic acid | Thomas Papkalla | 2001-03-27 |
| 6011182 | Process for preparing 2-cycloalkenones | Klaus Ebel, Jörg Botzem | 2000-01-04 |
| 5994562 | Preparation of N-alkenylcarboxamides | Klaus Ebel, Thomas Narbeshuber, Eugen Gehrer | 1999-11-30 |
| 5866732 | Preparation of alkyl bromides from aqueous hydrobromic acid and olefins | Klaus Ebel | 1999-02-02 |
| 5659070 | Preparation of alkyl 5-oxo-6-heptenoates, and novel intermediate for the preparation thereof | Klaus Ebel, Thomas Papkalla | 1997-08-19 |