Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013844 | Preparation of catechol monoethers and catechols | Daniel Heineke, Uwe Dingerdissen, Michael Hesse | 2000-01-11 |
| 5958825 | Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones | Johann-Peter Melder, Gerhard Schulz, Guido Voit, Frank Gutschoven, Wolfgang Harder | 1999-09-28 |
| 5916838 | Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones | Johann-Peter Melder, Gerhard Schulz, Guido Voit, Gutshoven Frank, Wolfgang Harder | 1999-06-29 |
| 5840986 | Preparation with heterogeneous catalysis of N-alkyl-substituted aminoalkynes | Thomas Preiss, Jochem Henkelmann, Susanne Stutz | 1998-11-24 |
| 5831129 | Preparation, with heterogeneous catalysis, of N-hydroxyalkyl-substituted aminoalkynes | Thomas Preiss, Jochem Henkelmann, Susanne Stutz, Thomas Ruhl | 1998-11-03 |
| 5783711 | Process for the preparation of heterocyclic aldehydes | Werner Schnurr, Rolf Fischer, Matthias Irgang, Horst Neuhauser | 1998-07-21 |
| 5763676 | Preparation of aromatic aldehydes | Rolf Fischer, Matthias Irgang, Werner Schnurr | 1998-06-09 |
| 5733838 | Process for the production of a hydrogenation catalyst | Maximilian Vicari, Klemens Flick, Johann-Peter Melder, Werner Schnurr | 1998-03-31 |
| 5679869 | Preparation of aldehydes | Werner Schnurr, Rolf Fischer, Michael Hesse | 1997-10-21 |
| 5663438 | Preparation of cyclic amines | Ulrich Kohler, Frank-Friedrich Pape, Matthias Irgang, Michael Hesse, Peter Polanek | 1997-09-02 |
| 5508465 | Preparation of aliphatic alpha, omega-aminonitriles in the gas phase | Werner Schnurr, Rolf Fischer, Rudolf Bazner | 1996-04-16 |