Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119085 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Wolfgang Grabarse, Hannah Maria Koenig, Markus Hansch, Ludwig Voelkel | 2018-11-06 |
| 9988589 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Wolfgang Grabarse, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel | 2018-06-05 |
| 9951285 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Wolfgang Grabarse, Hannah Maria Koenig, Markus Hansch, Ludwig Voelkel | 2018-04-24 |