Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7518015 | Process for heterogeneously catalyzed gas phase partial oxidation of at least one organic starting compound | Ulrich Cremer, Ulrike Wegerle, Ulrich Hammon, Klaus Joachim Mueller-Engel | 2009-04-14 |
| 7518016 | Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of at least one organic compound | Martin Dieterle, Klaus Joachim Mueller-Engel | 2009-04-14 |
| 6888006 | Method for processing pyrollidone and n-vinyl pyrollidone residues | Herbert Helfert, Martin Schmidt-Radde, Ulrich Eiden, Stephan Scholl, Christoph Übler | 2005-05-03 |
| 6750365 | Thermal dissociation of allophanates | Matthias Klotzer, Volker Krase, Peter Pfab, Joachim Pfeffinger, Andreas Schmidt | 2004-06-15 |
| 6410778 | Method of producing organic diurethanes and/or polyurethanes and their use in the production of di and/or polyisocyanates | Ulrich Schoner, Andreas Otterbach, Hans Volkmar Schwarz | 2002-06-25 |
| 5808138 | Stable polyisocyanate copositions obtainable by phosgene-free methods and their preparation | Bernd Bruchmann, Stefan Wolff | 1998-09-15 |
| 5728317 | Polyisocyanate compositions having a long shelf life and obtainable by phosgene-free methods, their preparation and their use | Franz Merger, Tom Witzel, Ursula Siebenhaar, David Agar | 1998-03-17 |
| 5516928 | Preparaion of 3.cyano-3,5,5-trimethylcyclohexanone | Klaus Mundinger, Tom Witzel, Franz Merger | 1996-05-14 |
| 5489663 | Preparation of polyisocyanates containing isocyanurate groups and use thereof | Peter Brandt, Bernd Bruchmann, Franz Merger, Andreas Otterbach, Konrad Stiefenhöfer +3 more | 1996-02-06 |