Issued Patents 2005
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972075 | Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine | Hermann Luyken, Frank Ohlbach, Johann-Peter Melder, Peter Bassler, Andreas Ansmann +1 more | 2005-12-06 |
| 6958404 | Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor | Holger Borchert, Stephan Schlitter, Michael Hesse, Frank Stein, Ralf-Thomas Rahn +2 more | 2005-10-25 |
| 6905997 | Method for generating catalysts | Frank Ohlbach, Hermann Luyken, Andreas Ansmann, Johann-Peter Melder, Peter Bassler | 2005-06-14 |
| 6906228 | Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts | Rolf Pinkos, Stephan Schunk, Joachim Wulff-Doring, Frank Stein, Thomas Nöbel +1 more | 2005-06-14 |
| 6896772 | Method for separating ammonia from solutions containing caprolactam and ammonia | Hermann Luyken, Frank Ohlbach, Stefan Maixner, Johann-Peter Melder, Peter Bassler +1 more | 2005-05-24 |
| 6888011 | Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran | Holger Borchert, Stephan Schlitter, Markus Rösch, Ralf-Thomas Rahn, Alexander Weck | 2005-05-03 |
| 6878798 | Method for producing a polymer, using caprolactam | Frank Ohlbach, Helmut Winterling, Andreas Ansmann, Johann-Peter Melder, Stefan Maixner +2 more | 2005-04-12 |
| 6870014 | Catalyst and method for producing polytetrahydrofurane | Ulrich Steinbrenner, Thomas Narbeshuber, Martin Haubner, Christoph Sigwart, Gerd Linden +6 more | 2005-03-22 |
| 6852669 | Hydrogenation catalyst | Guido Voit, Peter Bassler, Andreas Ansmann, Hermann Luyken, Martin Merger +2 more | 2005-02-08 |