Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745496 | Preparation of isobutene homo- or copolymer derivatives | Klaus Muehlbach, Helmut Mach, Ulrich Eichenauer | 2020-08-18 |
| 10689326 | Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Arno Lange, Ludwig Voelkel | 2020-06-23 |
| 10550346 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Wolfgang Grabarse, Markus Hansch, Ludwig Voelkel | 2020-02-04 |