Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6083470 | Process for removing organic phosphorous compounds and other impurities from dilute sulfuric acid | Gerhard Diekhaus | 2000-07-04 |
| 5808168 | Process for the hydroformylation of olefinically unsaturated compounds | Helmut Bahrmann, Dieter Frohning, Wilhelm Gick, Wolfgang Hofs, Heinz Kalbfell +4 more | 1998-09-15 |
| 5410072 | Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants | Helmut Bahrmann, Wolfgang Greb, Georg Dambkes, Peter Heymanns, Heinz Kalbfell +6 more | 1995-04-25 |
| 5206000 | Process for the recovery of rhodium from aqueous solutions containing rhodium complexes | Gerhard Diekhaus | 1993-04-27 |
| 4943663 | Process for the preparation of .alpha.-alkylacroleins | Gerhard Diekhaus | 1990-07-24 |