Issued Patents All Time
Showing 25 most recent of 34 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 | Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin | 2024-02-27 |
| 11795414 | Metalworking fluid containing a branched alcohol propoxylate | Frank Rittig, Marcel Harhausen, Thorsten Schoeppe, Marcus Leubner, Lu Yi Zhang +2 more | 2023-10-24 |
| 11634654 | Polycarboxylic acid-based additives for fuels and lubricants | Maxim Peretolchin, Harald Böhnke, Wolfgang Grabarse, Ludwig Völkel, Günter Oetter +3 more | 2023-04-25 |
| 11168273 | Polycarboxylic acid-based additives for fuels and lubricants | Maxim Peretolchin, Harald Böhnke, Wolfgang Grabarse, Ludwig Völkel, Günter Oetter +3 more | 2021-11-09 |
| 11130923 | Alkoxylated amines as fuel additives | Jochen Mezger | 2021-09-28 |
| 11111449 | Use of nitrogen compounds quaternised with alkylene oxide and hydrocarbyl-substituted polycarboxylic acid as additives in fuels and lubricants | Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin | 2021-09-07 |
| 10815444 | Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants | Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin | 2020-10-27 |
| 10689326 | Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants | Harald Boehnke, Wolfgang Grabarse, 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 | Harald Boehnke, Wolfgang Grabarse, 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, Wolfgang Grabarse, Hannah Maria Koenig, Ludwig Voelkel | 2020-02-04 |
| 10465138 | Use of a complex ester to reduce fuel consumption | Marc Walter, Dirk Rettemeyer, Ludwig Voelkel, 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 | Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin | 2019-09-10 |
| 10377958 | Corrosion inhibitors for fuels and lubricants | Jochen Mezger, Maxim Peretolchin, Aaron Flores-Figueroa, Ivette Garcia Castro, Klaus Muehlbach | 2019-08-13 |
| 10370610 | Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants | Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin | 2019-08-06 |
| 10240100 | Corrosion inhibitors for fuels and lubricants | Jochen Mezger, Maxim Peretolchin, Aaron Flores-Figueroa, Ludwig Voelkel, Ivette Garcia Castro +2 more | 2019-03-26 |
| 10173963 | Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants | Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Arno Lange, Ludwig Voelkel | 2019-01-08 |
| 10150927 | Polymers as additives for fuels and lubricants | Jochen Mezger, Maxim Peretolchin, Aaron Flores-Figueroa, Ludwig Voelkel, 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, Ludwig Voelkel | 2018-11-06 |
| 10030206 | Use of a complex ester to reduce fuel consumption | Marc Walter, Dirk Rettemeyer, Ludwig Voelkel, Bjoern Thomas Hahn, Muriel Ecormier +1 more | 2018-07-24 |
| 9957455 | Use of a polyalkylene glycol to reduce fuel consumption | Ludwig Voelkel, Thomas Hayden, Marc Walter, Nawid Kashani-Shirazi, Thomas Weiss | 2018-05-01 |
| 9951285 | Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants | Cornelia Roeger-Goepfert, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Ludwig Voelkel | 2018-04-24 |
| 9951288 | Use of an alkoxylated polytetrahydrofuran to reduce fuel consumption | Ludwig Voelkel, Thomas Hayden, Marc Walter, Nawid Kashani-Shirazi, Thomas Weiss | 2018-04-24 |
| 9938484 | Use of polytetrahydrofuranes in lubricating oil compositions | Nawid Kashani-Shirazi, Muriel Ecormier, Claudia Fischer, Thomas Weiß, Markus Scherer | 2018-04-10 |
| 9764169 | UV filter combinations comprising benzylidene malonates | Julie Grumelard, Thomas Ehlis, Myriam SOHN | 2017-09-19 |
| 9556395 | Use of polyalkoxylates in lubricant compositions | Nawid Kashani-Shirazi, Muriel Ecormier, Claudia Fischer, Thomas Weiß | 2017-01-31 |