Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10195565 | Removal of hydrogen sulfide and sulfur recovery from a gas stream by catalytic direct oxidation and claus reaction | Benoit Mares | 2019-02-05 |
| 9067166 | Process for the removal of hydrogen sulfide from a gas stream | — | 2015-06-30 |
| 7267809 | Burner and method for the chemical reaction of two gas streams | Harald Ranke, Sebastian Muschelknautz, Hanno Tautz | 2007-09-11 |
| 6676906 | Reactor for carrying out reactions having a high enthalpy change | — | 2004-01-13 |
| 6172244 | Method and reactor for producing ethylene oxide | — | 2001-01-09 |
| 5676921 | Method for the recovery of elemental sulfur from a gas mixture containing H.sub.2 S | Freimut Marold, Martin Gwinner | 1997-10-14 |
| 5660807 | Process for the removal of HCN from gas mixtures | Wolfgang Forg, Gerhard Ranke, Dietrich Maschmeyer, Robert J. Walter | 1997-08-26 |
| 5628977 | Process for the desulfurization of a crude gas containing H.sub.2 S | Freimut Marold | 1997-05-13 |
| 5439664 | Process for thermal conversion of hydrogen sufide to elemental sulfur | Freimut Marold | 1995-08-08 |
| 5084247 | Apparatus for performing catalytic reactions | Freimut Marold, Reiner Lohmueller | 1992-01-28 |
| 5035810 | Process for treating wastewater which contains sour gases | Josef Sporer | 1991-07-30 |
| 4988431 | Process for performing catalytic reactions | Freimut Marold, Reiner Lohmueller | 1991-01-29 |
| 4957724 | Process and reactor for catalytic reaction of H.sub.2 S and SO.sub.2 to sulfur | Freimut Marold | 1990-09-18 |
| 4795620 | Claus residual gas cleanup using tetraethylene glycol dimethyl ethers as SO.sub.2 scrubbing agent | Gerhard Linde | 1989-01-03 |
| 4764192 | Sulfur condenser and degasser unit | Reiner Lohmueller, Freimut Marold | 1988-08-16 |
| 4732918 | Heat interchanging process and reactor therefor | Reiner Lohmueller, Ulrich Lahne, Helmut Schneider, Markus Raab, Karl Hobel | 1988-03-22 |
| 4664903 | Removal of sulfur compounds from gases | Hans Becker, Karl Baur | 1987-05-12 |
| 4636377 | Integrated scrubbing of SO.sub.2 and production of sulfur | Freimut Marold, Gerhard Linde | 1987-01-13 |
| 4530827 | Process for the simultaneous removal of H.sub.2 S, SO.sub.2 and elemental sulfur from gaseous mixtures | Gerhard Ranke | 1985-07-23 |
| 4425317 | Recycle of hydrogenated sulfur plant tail gas to sour gas scrubbing system | Rainer Zeller, Aldo Belloni | 1984-01-10 |