Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252200 | Method of separating an aromatic from a hydrocarbon mixture | Hans-Christoph Schneider, Hans-Jurgen Vollmer | 1993-10-12 |
| 5238540 | Method of obtaining a pure aromatic hydrocarbon from a sump product of an extractive distillation of a hydrocarbon mixture | Hans-Christoph Schneider, Hans-Jurgen Vollmer | 1993-08-24 |
| 5215629 | Method of separating aromatics from a hydrocarbon mixture having an aromatic content | Hans-Christoph Schneider, Hans-Jurgen Vollmer | 1993-06-01 |
| 5180474 | Method of separation of aromates by extractive distillation | Hans-Jurgen Vollmer, Hans-Christoph Schneider | 1993-01-19 |
| 5057190 | Stripping column installation for separating materials with high boiling point difference | Hans-Jurgen Vollmer | 1991-10-15 |