Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537701 | Demulsifiers for breaking crude-oil emulsions and their use | Knut Oppenlaender, Rolf Fikentscher, Egon Buettner, Wilhelmus Slotman, Erich Schwartz | 1985-08-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537701 | Demulsifiers for breaking crude-oil emulsions and their use | Knut Oppenlaender, Rolf Fikentscher, Egon Buettner, Wilhelmus Slotman, Erich Schwartz | 1985-08-27 |