Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234553 | Process for obtaining a pure hydrocarbon from a sump product of an extractive distillation | Udo Klaumunzner, Hans-Christoph Schneider, Hans-Jurgen Vollmer | 1993-08-10 |