Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7872061 | Preparation of additive mixtures for mineral oils and mineral oil distillates | Matthias Krull, Gerhard Bettermann, Werner Reimann | 2011-01-18 |
| 7014667 | Preparation of additive mixtures for mineral oils and mineral oil distillates | Matthias Krull, Gerhard Bettermann, Werner Reimann | 2006-03-21 |