Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634654 | Polycarboxylic acid-based additives for fuels and lubricants | Maxim Peretolchin, Wolfgang Grabarse, Ludwig Völkel, Markus Hansch, Günter Oetter +3 more | 2023-04-25 |
| 11168273 | Polycarboxylic acid-based additives for fuels and lubricants | Maxim Peretolchin, Wolfgang Grabarse, Ludwig Völkel, Markus Hansch, Günter Oetter +3 more | 2021-11-09 |
| 9006158 | Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive | Arno Lange, Wolfgang Grabarse, Hannah Maria König, Markus Hansch, Ludwig Völkel +1 more | 2015-04-14 |