Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7807826 | Purification of a crude lactam mixture by means of melt crystallization | Axel Hengstermann, Ralf Meier, Martin Roos, Stephan Schäflein, Bernd-Holger Modrow | 2010-10-05 |
| 7786245 | Process for preparing polyarylene ether ketone | Alexander Richter, Vera Schiemann, Boris Jilg, Wilfried Uhlich | 2010-08-31 |
| 6861540 | Process for the epoxidation of cyclic alkenes | Jurgen Herwig, Martin Roos, Georg Oenbrink, Jörg Lohmar | 2005-03-01 |