Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119085 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Wolfgang Grabarse, Markus Hansch, Ludwig Voelkel | 2018-11-06 |
| 9951285 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Wolfgang Grabarse, Markus Hansch, Ludwig Voelkel | 2018-04-24 |