Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692053 | Polymeric pour point depressants for waxy crude oils | Anton Kaiser, Michael Feustel, Matthias Krull, Michael Schaefer, Rashod Smith | 2023-07-04 |
| 11466196 | Iron sulfide inhibitor suitable for squeeze application | Lena Petrozziello, Cyril Emeka Okocha, Tao Chen, Qiwei Wang, Norah Abdullah Aljeaban | 2022-10-11 |
| 11447682 | Water-soluble or water-swellable polymers as water loss reducers in cement slurries | Dirk Fischer, Claudia Diemel, Jürgen TONHAUSER, Michael Gayle Schafer | 2022-09-20 |
| 11384186 | Polymer comprising certain level of bio-based carbon | Dirk Fischer, Gundula Starkulla | 2022-07-12 |
| 11311473 | Use of a bio-based polymer in a cosmetic, dermatological or pharmaceutical composition | Dirk Fischer, Gundula Starkulla | 2022-04-26 |
| 11142494 | Compound comprising certain level of bio-based carbon | Gundula Starkulla, Dirk Fischer, Paul Kaufmann, Michael Gayle Schafer, Katharina Götz | 2021-10-12 |
| 10836951 | Method for producing polymers on the basis of acryloyldimethyltaurate, neutral monomers, and monomers with carboxylate groups | Dirk Fischer, Claudia Diemel, Katharina Berz | 2020-11-17 |
| 9039870 | Method for producing alkaline (meth)acrylamides | Matthias Krull, Roman Morschhaeuser, Helmut Ritter, Sarah Schmitz | 2015-05-26 |
| 8598101 | Dispersions of polymer oil additives | Michael Feustel, Matthias Krull, Mario Loew | 2013-12-03 |
| 8293690 | Dispersions of polymer oil additives | Michael Feustel, Matthias Krull, Mario Loew | 2012-10-23 |
| 8187581 | Surfactant-containing cosmetic, dermatological and pharmaceutical agents | Matthias Loffler, Roman Morschhäuser | 2012-05-29 |
| 8101785 | Method for producing fatty acid alkanol amides | Matthias Krull, Roman Morschhaeuser, Peter Klug, Alexander Lerch, Helmut Ritter +1 more | 2012-01-24 |
| 7696304 | Thermally stable water-soluble polymer which is crosslinkable at high temperatures | Gernold Botthof, Karl Heinz Heier, Aranka Tardi, Matthias Krull, Michael Schaefer | 2010-04-13 |
| 7332155 | Surfactant-containing cosmetic, dermatological and pharmaceutical agents | Matthias Loffler, Roman Morschhäuser | 2008-02-19 |
| 7297823 | Additives for inhibiting the formation of gas hydrates | Uwe Dahlmann, Michael Feustel, Roman Morschhaeuser | 2007-11-20 |
| 7150319 | Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method | Karl Heinz Heier, Aranka Tardi, Michael Schaefer, Roman Morschhaeuser, James C. Morgan +1 more | 2006-12-19 |
| 7053146 | Compositions containing copolymers based on acryloyldimethyl aminoethylsulfonic acid and synergistic additives | Roman Morschhäuser, Matthias Loffler, Karl Heinz Heier, Aranka Tardi, Manfred Schade +1 more | 2006-05-30 |
| 6891011 | Comb-shaped copolymers based on acryloyldimethyltaurine acid | Roman Morschhäuser, Jan Glauder, Matthias Loffler, Aranka Tardi | 2005-05-10 |
| 6833419 | Fluorine-modified comb polymers based on acryloydimethyltaurine acid | Roman Morschhäuser, Matthias L{hacek over (o)}ffler | 2004-12-21 |
| 6395853 | Water-soluble copolymers and their use for exploration and production of petroleum and natural gas | Reinhard J. Oswald, Roman Morschhäuser, Karl Heinz Heier, Aranka Tardi, Juergen Tonhauser +1 more | 2002-05-28 |