Issued Patents All Time
Showing 1–25 of 42 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, Wolfgang Grabarse, Maxim Peretolchin | 2024-02-27 |
| 11111449 | Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Maxim Peretolchin | 2021-09-07 |
| 10858608 | Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels | Harald Boehnke, Marc Walter | 2020-12-08 |
| 10815444 | Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Wolfgang Grabarse, 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, Wolfgang Grabarse, Hannah Maria Koenig, Arno Lange | 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, Wolfgang Grabarse, Maxim Peretolchin | 2020-06-09 |
| 10550346 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Markus Hansch | 2020-02-04 |
| 10465138 | Use of a complex ester to reduce fuel consumption | Marc Walter, Dirk Rettemeyer, Markus Hansch, Bjoern Thomas Hahn, Muriel Ecormier +1 more | 2019-11-05 |
| 10407634 | Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Maxim Peretolchin | 2019-09-10 |
| 10370610 | Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Maxim Peretolchin | 2019-08-06 |
| 10344241 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Wolfgang Grabarse, Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert | 2019-07-09 |
| 10336957 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Wolfgang Grabarse, Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert | 2019-07-02 |
| 10240100 | Corrosion inhibitors for fuels and lubricants | Jochen Mezger, Maxim Peretolchin, Aaron Flores-Figueroa, Markus Hansch, Ivette Garcia Castro +2 more | 2019-03-26 |
| 10173963 | Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants | Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Arno Lange | 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 | Harald Boehnke, Marc Walter | 2019-01-08 |
| 10150927 | Polymers as additives for fuels and lubricants | Jochen Mezger, Maxim Peretolchin, Aaron Flores-Figueroa, Markus Hansch, Ivette Garcia Castro +1 more | 2018-12-11 |
| 10119085 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Markus Hansch | 2018-11-06 |
| 10030206 | Use of a complex ester to reduce fuel consumption | Marc Walter, Dirk Rettemeyer, Markus Hansch, Bjoern Thomas Hahn, Muriel Ecormier +1 more | 2018-07-24 |
| 9988589 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Wolfgang Grabarse, Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert | 2018-06-05 |
| 9957455 | Use of a polyalkylene glycol to reduce fuel consumption | Markus Hansch, Thomas Hayden, Marc Walter, Nawid Kashani-Shirazi, Thomas Weiss | 2018-05-01 |
| 9951288 | Use of an alkoxylated polytetrahydrofuran to reduce fuel consumption | Markus Hansch, Thomas Hayden, Marc Walter, Nawid Kashani-Shirazi, Thomas Weiss | 2018-04-24 |
| 9951285 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Markus Hansch | 2018-04-24 |
| 9587194 | Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Wolfgang Grabarse, Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert | 2017-03-07 |
| 9447351 | Composition and method to improve the fuel economy of hydrocarbon fueled internal combustion engines | Alfred K. Jung, Stefano C. Crema, Andrea Misske | 2016-09-20 |
| 9359570 | Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive | Arno Lange, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Markus Hansch +1 more | 2016-06-07 |