Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7855312 | Method for processing an olefin-containing product stream | Wilfried Borgmann, Josef Kunkel, Helmut Fritz, Gerhard Lauermann, Roland Walzl | 2010-12-21 |
| 7678958 | Method of removing dimethyl ether from an olefin stream | Minquan Cheng, Jeffrey J. Phillips, Michael Nicoletti, David Lumgair, John Richard Shutt +6 more | 2010-03-16 |
| 7238848 | Method for separating dimethyl ether from an olefin-containing product stream | Wilfried Borgmann, Josef Kunkel, Helmut Fritz, Gerhard Lauermann, Roland Walzl | 2007-07-03 |
| 5470474 | Process for cleaning hollow fibers | Wolfgang Ansorge, Ralf R. Hornscheidt, Andreas Jungheim | 1995-11-28 |
| 4806224 | Electrolytic process | Dieter Bruun, Wolfgang Dietz, Conrad Reynvaan | 1989-02-21 |