Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447713 | Hyperbranched polyesters and their use as wax inhibitor, as pour point depressant, as lubricant or in lubricating oils | Anna Maria Mueller-Cristadoro, Stefan Frenzel, Xiao Fu, Felix Alexander Westerhaus, Tina Noack +1 more | 2022-09-20 |
| 11274180 | Use of hydrophobically modified polyalkanolamines as wax inhibitors, pour point depressant and additive for lubricants | Anna Maria Mueller-Cristadoro, Stefan Frenzel, Matthias Fies, Szilard Csihony, Xiao Fu | 2022-03-15 |
| 11261392 | Aqueous polymer dispersions, a method for their preparation and the use thereof as pour-point depressants for crude oil, petroleum, and petroleum products | Frank Oliver Heinrich Pirrung, Jennifer Jackson | 2022-03-01 |
| 11236282 | Copolymers comprising a-olefins and olefin dicarboxylic acid esters, production thereof, and use thereof as pour point depressants for crude oils, mineral oils, or mineral oil products | Ivette Garcia Castro, Kai Gumlich, Stefan Frenzel, Maria Heuken, Rouven Konrad +2 more | 2022-02-01 |
| 11203711 | Aqueous compositions from paraffin inhibitors | — | 2021-12-21 |
| 10982132 | Process of fracturing subterranean formations with water-soluble layered silicate | Radoslaw Kierat, Stephan Schunk, Carlos LIZANDARA PUEYO, Sven Titlbach, Robert W. Mueller +1 more | 2021-04-20 |
| 10851323 | Aqueous polymer dispersions, a method for their preparation and the use thereof as pour-point depressants for crude oil, petroleum, and petroleum products | Judith Braeuer, Kai Gumlich, Stefan Frenzel, Maria Socher, Jennifer Jackson | 2020-12-01 |
| 10781385 | Copolymers comprising a-olefins and olefin dicarboxylic acid esters, production thereof, and use thereof as pour point depressants for crude oils, mineral oils, or mineral oil products | Ivette Garcia Castro, Kai Gumlich, Stefan Frenzel, Maria Heuken, Rouven Konrad +2 more | 2020-09-22 |
| 8771374 | Method for the production of leather, copolymers that are suitable therefor, and further uses thereof | Markus Brym, Audrey Renoncourt, Stephan Huffer, Gerhard Wolf, Ulrike Mahn +3 more | 2014-07-08 |
| 8642185 | Leather production and aqueous formulations suitable therefor | Peter Danisch | 2014-02-04 |
| 7811958 | Method for producing an DMC catalyst | Michael Triller, Raimund Ruppel | 2010-10-12 |
| 7470823 | Polyethers and their use as carrier oils | Michael Stoesser, Georg Heinrich Grosch, Wilfried Sager, Marc Walter | 2008-12-30 |
| 7348460 | Method for producing alkanol alkoxylates at optimal reaction temperatures | Christian Wulff, Michael Stoesser, Georg Heinrich Grosch, Kai-Uwe Baldenius | 2008-03-25 |
| 7342140 | Method for the production of polyetherols | Hartmut Hibst, Michael Stoesser, Raimund Ruppel, Eva Baum | 2008-03-11 |
| 7332465 | Alkoxylates exhibiting low residual alcohol content | Christian Wulff, Kai-Uwe Baldenius, Martin Scholtissek, Michael Stoesser, Norbert Wagner | 2008-02-19 |
| 7312363 | Method for activating double metallocyanide-compounds | Michael Stoesser, Georg Heinrich Grosch, Wilfried Sager | 2007-12-25 |
| 7279517 | Process for the alkoxylation of organic compounds in the presence of novel framework materials | Ulrich Mueller, Michael Stoesser, Raimund Ruppel, Eva Baum, Marcus Sigl +3 more | 2007-10-09 |
| 7241926 | Method for producing polyether alcohols | Ulrich Müller, Raimund Ruppel, Eva Baum | 2007-07-10 |
| 7196030 | Method for producing alkoxylated products at optimized reaction pressures | Christian Wulff, Michael Stosser, Georg Heinrich Grosch, Kai-Uwe Baldenius | 2007-03-27 |
| 6764978 | Multimetal cyanide compounds | Georg Heinrich Grosch, Raimund Ruppel, Kathrin Harre, Eva Baum, Michael Stosser +2 more | 2004-07-20 |
| 6762278 | Process for the copolymerization of alkylene oxides and carbon dioxide using suspensions of multi-metal cyanide compounds | Werner Hinz, Edward M. Dexheimer, Georg Heinrich Grosch | 2004-07-13 |