| 10344241 |
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants |
Wolfgang Grabarse, Harald Boehnke, 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, Harald Boehnke, Cornelia Roeger-Goepfert, Ludwig Voelkel |
2019-07-02 |
| 9988589 |
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants |
Wolfgang Grabarse, Harald Boehnke, Cornelia Roeger-Goepfert, Ludwig Voelkel |
2018-06-05 |
| 9587194 |
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants |
Wolfgang Grabarse, Harald Boehnke, Cornelia Roeger-Goepfert, Ludwig Voelkel |
2017-03-07 |
| 9255236 |
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants |
Wolfgang Grabarse, Harald Boehnke, Cornelia Roeger-Goepfert, Ludwig Voelkel |
2016-02-09 |
| 8911516 |
Quaternized copolymer |
Wolfgang Grabarse, Hannah Maria Koenig, Cornelia Roeger-Goepfert, Ludwig Voelkel, Harald Boehnke |
2014-12-16 |
| 8790426 |
Quaternized terpolymer |
Ivette Garcia Castro, Cornelia Roeger-Goepfert, Wolfgang Grabarse, Klaus Muehlbach, Ludwig Voelkel +1 more |
2014-07-29 |
