Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388142 | Method for producing aldehydes by hydroformylation in the presence of crown ether | Klaus Kuhlein | 2002-05-14 |
| 6339174 | Method for preparing aldehydes by hydroformylation | — | 2002-01-15 |
| 6274774 | Process for preparing aldehydes in the presence of an aqueous phase containing rhodium and sulphonated triarylphosphines as catalyst | Carl D. Frohning, Helmut Bahrmann | 2001-08-14 |
| 6225508 | Method for producing alkanals using a rhodium-tri-polyethylene glycolate | Herbert Roesky, Uwe Ritter, Thomas Borrmann | 2001-05-01 |
| 6225504 | Phosphanes, their method of production and use in metal complexes | Matthias Beller, Alexander Zapf, Jurgen Krauter | 2001-05-01 |
| 6211414 | Process for preparing aldehydes by hydroformylation | Helmut Bahrmann, Carl D. Frohning, Ernst Wiebus | 2001-04-03 |
| 6191063 | Catalyst and process for the production of aldehydes by hydroformylation of olefinically unsaturated compounds | Carl D. Frohning, Helmut Bahrmann, Matthias Beller, Steffen Haber, Hans-Jerg Kleiner | 2001-02-20 |
| 6162753 | Process for recovering cobalt carbonyl catalysts used to produced N-acyl-alpha-amino acid derivatives by amidocarbonylation | Holger Geissler, Peter Gross | 2000-12-19 |
| 6160180 | Tertiary phosphanes containing alkylene glycol groups | Steffen Haber, Hans-Jerg Kleiner, Helmut Bahrmann, Carl D. Frohning | 2000-12-12 |
| 5756413 | Process for recovering cobalt carbonyl catalysts used in the preparation of N-acyl-.alpha.-amino acid derivates by amidocarbonylation | Holger Geissler, Klaus Raab, Matthias Beller, Hartmut Fischer | 1998-05-26 |