Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739167 | Process for producing aqueous polyacrylamide solutions | Joerg Unger | 2023-08-29 |
| 11725102 | Method of providing homogeneous aqueous polyacrylamide concentrates and use thereof | Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr, Jack Tinsley +2 more | 2023-08-15 |
| 11643491 | Process for producing an aqueous polyacrylamide concentrate | Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr, Jack Tinsley +1 more | 2023-05-09 |
| 11634515 | Process for producing aqueous polyacrylamide solutions | Hazel Sprafke, Tobias Joachim Zimmermann, Dirk Meckelnburg, Dennis Loesch, Markus Ostermayr | 2023-04-25 |
| 11634516 | Process for producing aqueous polyacrylamide solutions | Dennis Loesch, Tobias Joachim Zimmermann, Hazel Sprafke, Dirk Meckelnburg, Markus Ostermayr | 2023-04-25 |
| 11629205 | Process for producing aqueous polyacrylamide solutions | Hazel Sprafke, Markus Ostermayr, Tobias Joachim Zimmermann, Dirk Meckelnburg, Dennis Loesch | 2023-04-18 |
| 11608468 | Process of fracturing subterranean formations | Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr, Jack Tinsley +1 more | 2023-03-21 |
| 11384177 | Process for producing aqueous polyacrylamide solutions | Tobias Joachim Zimmermann, Hazel Sprafke | 2022-07-12 |
| 10927222 | Process and apparatus for producing an aqueous polymer solution | Sandra JECK, Oliver Soetje, Tobias BRINGMANN, Gabriela Eugenia Fonseca Zepeda, Dirk Meckelnburg +6 more | 2021-02-23 |
| 10017609 | Batch process for preparing polyamides | Philippe Desbois, Michael Gall, Andreas Wollny | 2018-07-10 |
| 9534083 | Production of polyamides by polycondensation | Achim Stammer, Simon Gramlich, Angela Ulzhöfer | 2017-01-03 |
| 9481742 | Continuous process for the manufacture of highly-branched polymers | Christian Schade, Aaron Flores-Figueroa, Gledison Fonseca, Michaela Heuβler, Christian Schwede +1 more | 2016-11-01 |
| 9428613 | Process for producing polyamide that is stable during processing | Rolf-Egbert Grützner, Shankara Narayanan Keelapandal Ramamoorthy, Achim Gerstlauer, Achim Stammer | 2016-08-30 |
| 9315626 | Process for preparing polyamides | Philippe Desbois, Andreas Wollny, Sven Lawrenz, Christian Schmidt | 2016-04-19 |
| 9068023 | Continuous process for the synthesis of graft polymers based on polyethers | Michaela Heussler, Christian Schwede, Aaron Flores-Figueroa, Rainer Dobrawa, Dieter Boeckh +2 more | 2015-06-30 |
| 9045598 | Process for producing aromatic polyether sulfones | Achim Stammer, Simon Gramlich, Angela Ulzhöfer | 2015-06-02 |
| 8859484 | Detergent compositions comprising graft polymers having broad polarity distributions | Frank Hulskotter, Darren Rees, Brian Joseph Loughnane, Rainer Dobrawa | 2014-10-14 |
| 8703879 | Continuous method for multi-staged drying and subsequent condensation of a polyamide granulate | Wolfgang Loth, Achim Stammer, Gad Kory, Achim Gerstlauer, Jens Becker | 2014-04-22 |
| 8658724 | Copolyamides | Christian Schmidt, Philippe Desbois, Raquel Fernandez Rodiles | 2014-02-25 |
| 8629237 | Simplified production of nylon-6 | Rüdiger Häffner, Achim Stammer, Rolf-Egbert Grützner, Angela Ulzhöfer, Jens Becker | 2014-01-14 |
| 8378054 | Method for producing polyaryl ethers | Martin Weber, Volker Warzelhan, Andreas Greiner, Heiner Stange, Seema Agrarwal | 2013-02-19 |