Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5431877 | Process for decreasing the corrosiveness of a sour water | Volker Brucken, Gert Ungar, Hans-Martin Stonner, Ernst Stoldt, Nikola Anastasijevic +1 more | 1995-07-11 |
| 4532116 | Process of desulfurizing gases with an amine-containing absorbent solution | Alexander Doerges, Manfred Kriebel, Anton Hude | 1985-07-30 |
| 4504449 | Process of regenerating absorbent solutions for sulfur-containing gases | Alexander Doerges, Manfred Kriebel, Anton Hude | 1985-03-12 |
| 4405593 | Process of decreasing the sulfur content of exhaust gases obtained during the recovery of sulfur | Herbert Fischer, Manfred Kriebel | 1983-09-20 |
| 4368059 | Process of removing H.sub.2 S, CO.sub.2, COS and mercaptans from gases by absorption | Alexander Doerges, Manfred Kriebel | 1983-01-11 |
| 4318716 | Process of regenerating laden absorbents | Alexander Doerges, Manfred Kriebel | 1982-03-09 |
| 4297330 | Process of selectively desulfurizing gases | Georg Kempf, Alexander Doerges | 1981-10-27 |
| 4258019 | Process of regenerating alkali carbonate solutions formed by the desulfurization of hot gases | Heinz Hiller, Alexander Doerges, Georg Kempf, Vaclav Svoboda, Winfried Zeschmar | 1981-03-24 |