Issued Patents 2019
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407634 | Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants | Markus Hansch, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin | 2019-09-10 |
| 10370610 | Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants | Markus Hansch, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin | 2019-08-06 |
| 10344241 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Wolfgang Grabarse, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel | 2019-07-09 |
| 10336957 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Wolfgang Grabarse, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel | 2019-07-02 |
| 10240100 | Corrosion inhibitors for fuels and lubricants | Jochen Mezger, Maxim Peretolchin, Aaron Flores-Figueroa, Markus Hansch, Ludwig Voelkel +2 more | 2019-03-26 |
| 10173963 | Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants | Markus Hansch, Wolfgang Grabarse, Hannah Maria Koenig, Arno Lange, Ludwig Voelkel | 2019-01-08 |
| 10174269 | Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels | Ludwig Voelkel, Marc Walter | 2019-01-08 |