Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10799810 | Cascade tray, rectifying column containing said cascade tray, method for operating such a rectifying column, and use of same | Bernd Pennemann | 2020-10-13 |
| 10576392 | Distillation column and use thereof for cleaning isocyanates | Friedhelm Steffens, Wilfried Hedderich, Franz Beggel, Volker Michele | 2020-03-03 |