Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475743 | Process for the preparation of substituted TRIS(2-hydroxyphenyl)methane | Fabien Jean Brand, Peter Hänggi, Michèle Gerster | 2016-10-25 |
| 9458401 | Use of substituted ureas or urethanes for improvement of the use properties of mineral and synthetic nonaqueous industrial fluids | Jan Strittmatter, Karl Haeberle, Wolfgang Grabarse, Ivette Garcia Castro, Irene Troetsch-Schaller +3 more | 2016-10-04 |
| 9428432 | Derivatives of tris(2-hydroxyphenyl)methanes, preparation thereof and use thereof for mineral oil production | Sophie Maitro-Vogel, Roman Benedikt Raether | 2016-08-30 |
| 9359570 | Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive | Arno Lange, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Ludwig Voelkel +1 more | 2016-06-07 |
| 9212545 | Use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production | Günter Oetter, Björn Heinz, Horst Weiss, Peter Deglmann, Vandana Kurkal-Siebert +4 more | 2015-12-15 |
| 9062266 | Imidazolium salts as additives for fuels | Maxim Peretolchin, Ludwig Voelkel, Harald Boehnke, Boris Gaspar, Christian Seitz | 2015-06-23 |
| 9039791 | Use of a reaction product of carboxylic acids with aliphatic polyamines for improving or boosting the separation of water from fuel oils | Maxim Peretolchin, Guenter Oetter, Harald Boehnke, Ludwig Voelkel | 2015-05-26 |
| 9006158 | Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines and use thereof as a fuel additive or lubricant additive | Arno Lange, Harald Böhnke, Wolfgang Grabarse, Hannah Maria König, Ludwig Völkel +1 more | 2015-04-14 |
| 8618321 | Derivatives of tris(2-hydroxyphenyl)methane, their preparation and use | Marta Reinoso Garcia, Günter Oetter, Vandana Kurkal-Siebert, Björn Heinz, Christian Bittner +1 more | 2013-12-31 |