Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7462277 | Continuous method for separating a C4 cut | Till Adrian, Thomas Hill, Bernd Heida | 2008-12-09 |
| 7432411 | Continuous method for obtaining butenes from a C4 fraction | Till Adrian, Bernd Heida | 2008-10-07 |
| 7393992 | Method for working up crude 1,3-butadiene | Thomas Hill, Bernd Heida | 2008-07-01 |
| 7226527 | Method for recovering crude 1,3-butadiene by extractive distillation from a C4 cut | Gerd Bohner, Melanie Pahl, Gerd Kaibel | 2007-06-05 |
| 7132038 | Method and device for obtaining 1,3 pure butadiene from 1,3 raw butadiene by distillation | Gerd Bohner, Melanie Pahl, Gerd Kaibel | 2006-11-07 |
| 6337429 | Method for separating a C4-hydrocarbon mixture | Hubert Puhl | 2002-01-08 |