Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7855312 | Method for processing an olefin-containing product stream | Wilfried Borgmann, Josef Kunkel, Helmut Fritz, Roland Walzl, Klaus Muller | 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, Roland Walzl, Klaus Muller | 2007-07-03 |