Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10994244 | Apparatus and method for waste gas scrubbing | Martina Schmitz, Stephan Buss | 2021-05-04 |
| 9422220 | Method for purifying carboxylic acids from fermentation broths | Michael Kleiber, Ulrike Gnabs, Joachim Schulze, Shashank Ghanegaonkar, Marcel Gawenda | 2016-08-23 |
| 9181149 | Regeneration of catalysts for dehydrating alkanes | Max Heinritz-Adrian, Muhammad Iqbal Mian, Oliver Noll, Rolf Schwass, Sascha Wenzel | 2015-11-10 |
| 9068125 | Process for the recovery of pure aromatics from hydrocarbon fractions containing aromatics | Thomas Diehl, Baerbel Kolbe, Dieter Wilken | 2015-06-30 |
| 8648227 | Method for extracting pure styrene from a pyrolysis benzine fraction | — | 2014-02-11 |
| 8536397 | Recovery of benzene and benzene derivatives from gasoline fraction and refinery streams | Oliver Noll, Christian Luebbecke, Baerbel Kolbe | 2013-09-17 |
| 8398945 | Removal of ammonia nitrogen, ammonium nitrogen and urea nitrogen by oxidation with hypochlorite-containing solutions from exhaust air in plants for producing ammonia and urea | Dennis Lippmann | 2013-03-19 |
| 6514387 | Rectifying column for extractive distillation of close-boiling or azeotropic boiling mixtures | Gerd Emmrich, Bärbel Kolbe, Frank Klaus Ennenbach, Uwe Ranke | 2003-02-04 |
| 6124514 | Process for generating pure benzene from reformed gasoline | Gerd Emmrich, Hans-Christoph Schneider, Bernhard Firnhaber | 2000-09-26 |
| 5269158 | Evaporator for a compressor-refrigerating apparatus | Dieter Bitter, Eberhard Bornkessel, Herbert Stember, Horst Schnabel | 1993-12-14 |