Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080761 | Method of optimizing the operation of a distillation column provided with a side heating device | Gerd Emmrich, Hans-Christoph Schneider | 1992-01-14 |
| 5034102 | Column for distillation of charge products having a tendency for two-phase formation in sump | — | 1991-07-23 |
| 5031754 | Method of working up an overhead product of an extractive distillation of a hydrocarbon mixture and apparatus for same | Gerd Emmrich, Hans-Christoph Schneider | 1991-07-16 |