Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11912950 | 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 | 2024-02-27 |
| 11879108 | Middle-pressure polymerization process for liquid ethylene copolymers | Ivette Garcia Castro, Jan Strittmatter, Rene Koschabek, Robert Rupaner | 2024-01-23 |
| 11667864 | Lubricants with a terpolymer made of diester, olefin and acrylate | Ivette Garcia Castro, Jan Strittmatter, Markus Scherer, Karolin Monz, Rene Koschabek | 2023-06-06 |
| 11634654 | Polycarboxylic acid-based additives for fuels and lubricants | Maxim Peretolchin, Harald Böhnke, Ludwig Völkel, Markus Hansch, Günter Oetter +3 more | 2023-04-25 |
| 11608393 | Polymerization process for liquid copolymers of ethylene and hydroxyalkyl(meth)acrylate | Ivette Garcia Castro, Werner-Alfons Jung | 2023-03-21 |
| 11498986 | High-pressure polymerization process for liquid ethylene copolymers | Martin Wendker, Ivette Garcia Castro, Jan Strittmatter, Karolin Geyer, Markus Scherer +1 more | 2022-11-15 |
| 11453836 | Lubricant comprising a liquid ethylene copolymer | Martin Wendker, Ivette Garcia Castro, Jan Strittmatter, Karolin Geyer, Markus Scherer +1 more | 2022-09-27 |
| 11214752 | Lubricant composition containing copolymers of polyisobutylenemethacrylate | Szilard Csihony, Anja Thomas, Kevin J. DeSantis, Philippe Rabbat, Andrea Misske +4 more | 2022-01-04 |
| 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 |
| 10815444 | Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Ludwig Voelkel, Maxim Peretolchin | 2020-10-27 |
| 10689326 | Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Hannah Maria Koenig, Arno Lange, Ludwig Voelkel | 2020-06-23 |
| 10676685 | 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 | 2020-06-09 |
| 10550346 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Hannah Maria Koenig, Markus Hansch, Ludwig Voelkel | 2020-02-04 |
| 10407634 | 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 | 2019-09-10 |
| 10370610 | Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Ludwig Voelkel, Maxim Peretolchin | 2019-08-06 |
| 10344241 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Harald Boehnke, 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 | Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel | 2019-07-02 |
| 10173963 | Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Hannah Maria Koenig, Arno Lange, Ludwig Voelkel | 2019-01-08 |
| 10119085 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Hannah Maria Koenig, Markus Hansch, Ludwig Voelkel | 2018-11-06 |
| 9988589 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel | 2018-06-05 |
| 9951285 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Hannah Maria Koenig, Markus Hansch, Ludwig Voelkel | 2018-04-24 |
| 9587194 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel | 2017-03-07 |
| 9458401 | Use of substituted ureas or urethanes for improvement of the use properties of mineral and synthetic nonaqueous industrial fluids | Jan Strittmatter, Karl Haeberle, Ivette Garcia Castro, Markus Hansch, Irene Troetsch-Schaller +3 more | 2016-10-04 |
| 9359570 | Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive | Arno Lange, Harald Boehnke, Hannah Maria Koenig, Markus Hansch, Ludwig Voelkel +1 more | 2016-06-07 |