Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558452 | Method for obtaining ammonia from waste water containing NH3 and acid gases | Gert Ungar, Matthias Linicus | 2003-05-06 |
| 5716524 | Process of extracting phenols from a phenol-containing waste water by means of a solvent mixture | Matthias Linicus, Gert Ungar | 1998-02-10 |
| 5532393 | Process of preparing wax ester | Eberhard Schlichting, Henning Buchold, Gerd Mallok, Fritz Gartner | 1996-07-02 |
| 5431877 | Process for decreasing the corrosiveness of a sour water | Volker Brucken, Gert Ungar, Ernst Stoldt, Johann Schlauer, Nikola Anastasijevic +1 more | 1995-07-11 |
| 5382717 | Process of controlling the rate at which used catalyst is recycled to hydrogenating means for preparing fatty alcohols from fatty acid derivatives | Henning Buchold | 1995-01-17 |
| 4738754 | Method of recovering ammonia from an aqueous effluent which contains NH.sub . .sub.2 and H.sub.2 S | Wolfgang Hilsebein, Gert Ungar | 1988-04-19 |
| 4522730 | Process for the treatment of an aqueous condensate | Gerhard Hochgesand, Heinz Kahles, Paul Wiesner | 1985-06-11 |
| 4491573 | Process for heating hydrogen | Friedemann Marschner | 1985-01-01 |
| 4482766 | Production of fatty alcohol with recovery thereof from the hydrogenation catalyst | — | 1984-11-13 |
| 4240808 | Processing aqueous effluent liquors from degasification or gasification of coal | Alfred Garber, Paul Wiesner, Fritz Wohler, Alfred Schmidt | 1980-12-23 |
| 4241227 | Process for reducing biological oxygen demand of gas condensate | Paul Wiesner, Fritz Wohler | 1980-12-23 |
| 4218576 | Process of scrubbing polyvalent phenols from gas | Paul Wiesner | 1980-08-19 |