Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7420013 | Mixtures of compounds comprising at least two double bonds and use thereof | Thomas Daniel, Dieter Hermeling, Mark Elliott, Reinhold Schwalm | 2008-09-02 |
| 7405321 | (Meth)acrylic ester of alkenylene glycols and the use thereof | Thomas Daniel, Matthias Weismantel, Mark Elliott, Rüdiger Funk, Reinhold Schwalm | 2008-07-29 |
| 7259212 | (Meth)acrylic esters of polyalkoxylated trimethylolpropane | Andreas Popp, Thomas Daniel, Jürgen Schröder, Thomas Jaworek, Rüdiger Funk +2 more | 2007-08-21 |
| 7199211 | (Meth)acrylic esters of polyalkoxylated trimethylolpropane | Andreas Popp, Thomas Daniel, Jürgen Schröder, Thomas Jaworek, Rüdiger Funk +2 more | 2007-04-03 |
| 7183360 | Method for crosslinking hydrogels with morpholine-2,3-diones | Thomas Daniel, Kai Michael Exner, Klemens Massonne, Matthias Weismantel | 2007-02-27 |
| 6849665 | Absorbent compositions | Volker Frenz, Norbert Herfert, William E. Volz, Thomas H. Majette, James Hill | 2005-02-01 |
| 6831122 | Water-absorbing agent, method for the production and the utilization thereof | Thomas Daniel, Matthias Weismantel | 2004-12-14 |
| 6657015 | Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines | Matthias Weismantel, Volker Frenz, Thomas Daniel, Fritz Engelhardt | 2003-12-02 |
| 6559239 | Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones | Matthias Weismantel, Volker Frenz, Thomas Daniel, Fritz Engelhardt | 2003-05-06 |
| 6503979 | Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones | Rüdiger Funk, Volker Frenz, Matthias Weismantel, Fritz Engelhardt, Thomas Daniel | 2003-01-07 |
| 6472478 | Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones | Rüdiger Funk, Volker Frenz, Matthias Weismantel, Fritz Engelhardt, Thomas Daniel | 2002-10-29 |
| 6414214 | Mechanically stable hydrogel-forming polymers | Friedrich Engelhardt, Volker Frenz, Norbert Herfert, Matthias Weismantel, Wilfried Heide | 2002-07-02 |
| 5973014 | Process for the preparation of porous, hydrophilic, highly swellable hydrogels | Rüdiger Funk, Norbert Herfert | 1999-10-26 |
| 5945495 | Use of surfactants in the drying of hydrophilic highly swellable hydrogels | Thomas Daniel, Norbert Herfert, Gustav Remmel, Uwe Stuven, Fritz Engelhardt | 1999-08-31 |
| 5731365 | Hydrophilic, highly swellable hydrogels | Fritz Engelhardt, Norbert Herfert, Uwe Stuven, Rüdiger Funk, Detlev Seip | 1998-03-24 |
| 5684104 | Water-swellable hydrophilic polymers | Rüdiger Funk, Fritz Engelhardt, Michael Wessling | 1997-11-04 |
| 5681878 | Low-dusting pulverulent hydrophilic polymers | Helmut Klotzsche, Gustav Remmel, Uwe Stuven | 1997-10-28 |
| 5668236 | Hydrophilic highly swellable hydrogels | Fritz Engelhardt, Uwe Stuven, Helmut Klotzsche, Gustav Remmel | 1997-09-16 |
| 5594083 | Water-swellable hydrophilic polymers | R udiger Funk, Fritz Engelhardt, Michael Wessling | 1997-01-14 |
| 5571764 | Absorbent for water and aqueous solutions | Rainer Greve, Gerlinde Ebert, Fritz Engelhardt | 1996-11-05 |
| 5510436 | Water-soluble copolymers useful in drilling fluids | Martin Hille, Heinz Wittkus, Jürgen TONHAUSER, Fritz Engelhardt | 1996-04-23 |
| 5502231 | Process for the preparation of cyclic vinylphosphonic esters | Fritz Engelhardt, Hans-Jerg Kleiner | 1996-03-26 |
| 5489647 | Hydrophilic, swellable graft polymers | Ulrich Kussmaul, Manfred Mayer, Uwe Stuven, Friedrich Engelhardt | 1996-02-06 |
| 5331059 | Hydrophilic, highly swellable hydrogels | Friedrich Engelhardt, Rüdiger Funk, Gerlinde Ebert, Hanss-Jerg Kleiner | 1994-07-19 |
| 5278206 | Binder for liquids | Gerd Gobel, Ferdinand Angerer | 1994-01-11 |