Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207865 | Method for the hydrogenation of carbonyl compounds | Marc Walter, Detlef Kratz, Gerhard Schulz, Manfred Sauerwald | 2001-03-27 |
| 6177598 | Preparation of sugar alcohols | Melanie Brunner, Jochem Henkelmann, Arnd Bottcher | 2001-01-23 |
| 6166279 | Preparation of olefins | Peter Schwab, Ralf Schulz, Michael Schulz, Gerald Meyer | 2000-12-26 |
| 6130181 | Metathesis catalyst, and its preparation and use | Peter Schwab, Ralf Schulz, Michael Schulz, Ulrich Müller | 2000-10-10 |
| 6121188 | Fixed-bed Raney metal catalyst, its preparation and the hydrogenation of polymers using this catalyst | Uwe Diehlmann, Thomas Ruhl, Sabine Weiguny | 2000-09-19 |
| 6069281 | Process for producing organic nitrogen compounds, special organic nitrogen compounds and mixtures of such compounds and their use as fuel and lubricant additives | Rudolf Kropp, Wolfgang Siegel, Wolfgang Harder, Harald Schwahn, Wolfgang Reif | 2000-05-30 |
| 6022999 | Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine having a cis/trans isomer ratio of at least 70:30 | Guido Voit, Tom Witzel, Hermann Luyken, Karl-Heinz Ross, Peter Wahl | 2000-02-08 |
| 6008418 | Process for preparing 1,6 hexanediol with a level of purity over 99% | Karl Baur, Rolf Fischer, Rolf Pinkos, Frank Stein, Harald Rust | 1999-12-28 |
| 5981769 | Process for preparing 1,6- hexanediol and caprolactone | Karl Baur, Rolf Fischer, Rolf Pinkos, Frank Stein, Harald Rust | 1999-11-09 |
| 5945571 | Preparation of 1,4-butanediol | Rolf Pinkos, Rolf Fischer, Peter Polanek | 1999-08-31 |
| 5942645 | Hydrogenation of aromatic compounds in which at least one hydroxyl group is bonded to an aromatic ring | Heinz Rutter, Thomas Ruhl, Jochem Henkelmann, Thomas Wettling | 1999-08-24 |
| 5936126 | Process for reacting an organic compound in the presence of a supported ruthenium catalyst | Thomas Ruhl, Jochem Henkelmann, Wolfgang Reif, Helmuth Menig, Sabine Weiguny | 1999-08-10 |
| 5902916 | Process for reacting an organic compound in the presence of a ruthenium catalyst formed in situ | Thomas Ruhl, Franz Josef Brocker, Wolfgang Reif, Jochem Henkelmann, Karl Heinz Brauch +1 more | 1999-05-11 |
| 5894074 | Preparation of tertiary amines from nitriles and secondary amines | Eberhard Fuchs, Rainer Becker, Horst Neuhauser | 1999-04-13 |
| 5874622 | Hydrogenation of an aromatic compound in the presence of a supported catalyst | Thomas Ruhl, Klemens Flick, Jochem Henkelmann, Andreas Henne, Rolf Lebkucher | 1999-02-23 |
| 5840981 | Process for producing N-methyl-2(3,4 dimethoxyphenyl)-ethylamine | Eberhard Fuchs, Horst Zimmermann, Tom Witzel, Rainer Becker, Horst Nauhauser | 1998-11-24 |
| 5773657 | Hydrogenation of aromatic compounds in which at least one amino group is bonded to an aromatic nucleus | Heinz Rutter, Thomas Ruhl, Jochem Henkelmann, Andreas Henne, Thomas Wettling | 1998-06-30 |
| 5756845 | Preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Guido Voit, Tom Witzel, Wolfgang Harder, Hermann Luyken, Axel Paul +2 more | 1998-05-26 |
| 5696048 | Cobalt catalysts | Peter Polanek, Guido Voit, Tom Witzel, Gerd Linden, Michael Hesse | 1997-12-09 |
| 5536691 | Cobalt catalysts and a process required for their preparation | Peter Polanek, Matthias Irgang, Hermann Petersen, Gerd Linden, Guido Voit +1 more | 1996-07-16 |
| 5030608 | Process for the preparation of composite materials which contain small particles of metal or metal oxide in an oxide matrix and the composite materials prepared by the process | Ulrich Schubert, Sabine Amberg-Schwab, Helmut Schmidt | 1991-07-09 |