Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815444 | Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Ludwig Voelkel, Maxim Peretolchin | 2020-10-27 |
| 10689326 | Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Hannah Maria Koenig, Arno Lange, Ludwig Voelkel | 2020-06-23 |
| 10676685 | Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Ludwig Voelkel, Maxim Peretolchin | 2020-06-09 |
| 10550346 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Hannah Maria Koenig, Markus Hansch, Ludwig Voelkel | 2020-02-04 |