Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7696304 | Thermally stable water-soluble polymer which is crosslinkable at high temperatures | Christoph Kayser, Gernold Botthof, Aranka Tardi, Matthias Krull, Michael Schaefer | 2010-04-13 |
| 7150319 | Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method | Christoph Kayser, 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, Christoph Kayser, Matthias Loffler, Aranka Tardi, Manfred Schade +1 more | 2006-05-30 |
| 6462000 | Use of polymers as antimisting additives in water-based cooling lubricants | Rainer Kupfer | 2002-10-08 |
| 6414075 | Use of polymers as antimisting additives in water-based cooling lubricants | Rainer Kupfer | 2002-07-02 |
| 6395853 | Water-soluble copolymers and their use for exploration and production of petroleum and natural gas | Reinhard J. Oswald, Roman Morschhäuser, Aranka Tardi, Juergen Tonhauser, Christoph Kayser +1 more | 2002-05-28 |
| 6380137 | Copolymers and their use as drilling aids | Roman Morschhäuser, Aranka Tardi, Susanne Weber, Gernold Botthof | 2002-04-30 |
| 6313076 | Use of polymers as antimisting additives in water-based cooling lubricants | Rainer Kupfer | 2001-11-06 |
| 4772673 | Ethylene copolymers | John Hobes | 1988-09-20 |
| 4556499 | Process for improving the flow properties of mineral oils | Roland Bohm, John Hobes | 1985-12-03 |
| 4414020 | Composition and process for promoting the growth of crop plants | Hans J. Nestler, Hermann Bieringer, Klaus Bauer | 1983-11-08 |