Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10968295 | Acrylic acid polymers neutralized with sodium and calcium ions and having a narrow molecular weight distribution | Ferdinand Leifeld, Achim Fessenbecker, Steffen Henkes, Massimiliano Bordignon, Laszlo Szarvas +1 more | 2021-04-06 |
| 10494907 | Process for treating subterranean oil-bearing formations comprising carbonate rocks | Guenter Oetter, Nicole Lichterfeld-Weber | 2019-12-03 |
| 9949475 | Composition comprising active ingredient, oil and ionic liquid | Ann-Kathrin Marguerre, Daher Michael Badine, Ulrike Troppmann, Ansgar Schäfer, Sebastian Koltzenburg +8 more | 2018-04-24 |
| 9701891 | Method of fracturing a subterranean formation with use flowback aids | Jack Tinsley, Tanhee Galindo, Rimassa Shawn | 2017-07-11 |
| 9689244 | Process for water wetting oil-wet surfaces | Oetter Günter, Hans-Georg Mainx, Sandra Mack | 2017-06-27 |
| 9374996 | Agroformulation comprising copolymer of acrylic acid, poly(alkylene glycol) (meth)acrylate, and alkyl (meth)acrylate | Murat Mertoglu, Ann-Kathrin Marguerre, Son Nguyen-Kim | 2016-06-28 |
| 9212545 | Use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production | Günter Oetter, Björn Heinz, Markus Hansch, Horst Weiss, Peter Deglmann +4 more | 2015-12-15 |
| 8618321 | Derivatives of tris(2-hydroxyphenyl)methane, their preparation and use | Marta Reinoso Garcia, Günter Oetter, Björn Heinz, Christian Bittner, Markus Hansch +1 more | 2013-12-31 |