Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5846453 | Process for producing oligoamines or polyamines | Jurgen Mohr, Wolf-Dieter Balzer, Knut Oppenlander, Wilhelmus Slotman | 1998-12-08 |
| 5759409 | Separation of water from crude oil and oil demulsifiers used for this purpose | Knut Oppenlander, Wilhelmus Slotman | 1998-06-02 |