Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6083470 | Process for removing organic phosphorous compounds and other impurities from dilute sulfuric acid | Harald Kappesser | 2000-07-04 |
| 5600030 | Hydrogenation catalyst, a process for its preparation and use thereof | Gregor Deckers, Bernd Dorsch, Carl D. Frohning, Gerhardt Horn, Horst B. Horrig | 1997-02-04 |
| 5498587 | Hydrogenation catalyst, a process for its preparation, and use thereof | Gregor Deckers, Bernd Dorsch, Carl D. Frohning, Gerhardt Horn, Horst B. Horrig | 1996-03-12 |
| 5206000 | Process for the recovery of rhodium from aqueous solutions containing rhodium complexes | Harald Kappesser | 1993-04-27 |
| 4943663 | Process for the preparation of .alpha.-alkylacroleins | Harald Kappesser | 1990-07-24 |
| 4424383 | Process for producing ethanol and n-propanol from methanol | Boy Cornils, Carl D. Frohning, Ernst Wiebus, Helmut Bahrmann | 1984-01-03 |
| 4355192 | Process for the production of ethanol and n-propanol from methanol | Boy Cornils, Carl D. Frohning, Ernst Wiebus, Helmut Bahrmann | 1982-10-19 |
| 4258214 | Process for the production of aldehydes | Helmut Bahrmann, Boy Cornils, Waldemar Kascha, Jurgen Weber | 1981-03-24 |
| 4215073 | Process for the production of diamines | Boy Cornils, Werner Konkol, Ernst Wiebus | 1980-07-29 |