| 11725102 |
Method of providing homogeneous aqueous polyacrylamide concentrates and use thereof |
Faissal-Ali El-Toufaili, Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr +2 more |
2023-08-15 |
| 11643491 |
Process for producing an aqueous polyacrylamide concentrate |
Faissal-Ali El-Toufaili, Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr +1 more |
2023-05-09 |
| 11608468 |
Process of fracturing subterranean formations |
Faissal-Ali El-Toufaili, Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr +1 more |
2023-03-21 |
| 11225857 |
Solubility enhancers on basis of allyl alcohol for aqueous surfactant formulations for enhanced oil recovery |
Christian Bittner, Guenter Oetter, Hans-Christian Raths, Marcel Patrik KIENLE, Sebastian Alexander Weisse |
2022-01-18 |
| 10961432 |
Method of mineral oil production |
Christian Bittner, Günter Oetter, Sebastian Alexander Weiße, Hans-Christian Raths, Marcel Patrik KIENLE |
2021-03-30 |
| 10266751 |
Method of mineral oil production |
Christian Bittner, Günter Oetter, Sebastian Alexander Weiße, Hans-Christian Raths, Marcel Patrik KIENLE |
2019-04-23 |
| 10155900 |
Process for producing mineral oil using surfactants based on a mixture of C24 guerbet, C26 guerbet, C28 guerbet-containing hydrocarbyl alkoxylates |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Juergenson, Sophie Maitro-Vogel |
2018-12-18 |
| 9751905 |
Process for extracting mineral oil using surfactants based on butylene oxide-containing alkyl alkoxylates |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Juergenson, Sophie Vogel |
2017-09-05 |
| 9701891 |
Method of fracturing a subterranean formation with use flowback aids |
Vandana Kurkal-Siebert, Tanhee Galindo, Rimassa Shawn |
2017-07-11 |
| 9701893 |
Process for producing mineral oil using surfactants based on a mixture of C32 guerbet-, C34 guerbet-, C36 guerbet-containing alkyl alkoxylates |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Juergenson, Sophie Vogel +3 more |
2017-07-11 |
| 9505973 |
Process for producing mineral oil using surfactants based on C16C18-containing alkyl propoxy surfactants |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Juergenson, Sophie Maitro-Vogel +2 more |
2016-11-29 |
| 9475978 |
Process for producing mineral oil using surfactants based on a mixture of C24 guerbet-, C26 guerbet-, C28-guerbet containing hydrocarbyl alkoxylates |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Juergenson, Sophie Maitro-Vogel |
2016-10-25 |
| 9475977 |
Process for producing mineral oil using surfactants based on a mixture of C28 Guerbet, C30 Guerbet, C32 Guerbet-containing hydrocarbyl alkoxylates |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Juergenson, Sophie Maitro-Vogel |
2016-10-25 |
| 9475979 |
Process for producing mineral oil using surfactants based on a mixture of C20 Guerbet-, C22 Guerbet-, C24 Guerbet-containing hydrocarbyl alkoxylates |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Juergenson, Sophie Maitro-Vogel |
2016-10-25 |
| 9296942 |
Anionic polyalkoxy group comprising surfactants on basis of guerbet-alcohols, method of manufacture and use in enhanced oil recovery (EOR) applications |
Upali P. Weerasooriya, Gary A. Pope, Christian Bittner, Günter Oetter, Christian Spindler +2 more |
2016-03-29 |
| 9145509 |
Process for producing mineral oil using surfactants based on a mixture of C32 Guerbet-, C34 Guerbet-, C36 Guerbet-containing alkyl alkoxylates |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez Jürgenson, Sophie Vogel +3 more |
2015-09-29 |
| 8853136 |
Process for tertiary mineral oil production using surfactant mixtures |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez Jürgenson, Sophie Vogel |
2014-10-07 |
| 8841241 |
Anionic polyalkoxy group comprising surfactants on basis of guerbet-alcohols, method of manufacture and use in enhanced oil recovery (EOR) applications |
Upali P. Weerasooriya, Gary A. Pope, Christian Bittner, Guenter Oetter, Christian Spindler +2 more |
2014-09-23 |
| 8684080 |
Use of surfactant mixtures of polycarboxylates for microemulsion flooding |
Christian Bittner, Günter Oetter, Christian Spindler, Sophie Vogel, Gabriela Alvarez-Juergenson +1 more |
2014-04-01 |
| 8607865 |
Process for extracting mineral oil using surfactants based on butylene oxide-containing alkyl alkoxylates |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Juergenson, Sophie Vogel |
2013-12-17 |
| 8596367 |
Process for producing mineral oil using surfactants based on C16C18-containing alkyl propoxy surfactants |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez-Jürgenson, Sophie Vogel +2 more |
2013-12-03 |
| 8584750 |
Process for tertiary mineral oil production using surfactant mixtures |
Christian Bittner, Oetter Günter, Christian Spindler, Gabriela Alvarez Jürgenson, Sophie Vogel |
2013-11-19 |
| 8584751 |
Process for mineral oil production using surfactant mixtures |
Christian Bittner, Günter Oetter, Christian Spindler, Gabriela Alvarez Jürgenson, Sophie Vogel |
2013-11-19 |
| 8536108 |
Care polymers |
Rajan Keshav Panandiker, Julie Ann Menkhaus, Dieter Boeckh, Rainer Dobrawa, Frank Huelskoetter +5 more |
2013-09-17 |
