Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168273 | Polycarboxylic acid-based additives for fuels and lubricants | Maxim Peretolchin, Harald Böhnke, Ludwig Völkel, Markus Hansch, Günter Oetter +3 more | 2021-11-09 |
| 11111449 | 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 | 2021-09-07 |