Issued Patents All Time
Showing 76–88 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7259212 | (Meth)acrylic esters of polyalkoxylated trimethylolpropane | Andreas Popp, Jürgen Schröder, Thomas Jaworek, Rüdiger Funk, Reinhold Schwalm +2 more | 2007-08-21 |
| 7250481 | Method for the production of esters of polyalcohols | Thomas Jaworek, Lothar Wolf, Rainer Koeniger, Reinhold Schwalm, Gabriele Hartmann +1 more | 2007-07-31 |
| 7199211 | (Meth)acrylic esters of polyalkoxylated trimethylolpropane | Andreas Popp, Jürgen Schröder, Thomas Jaworek, Rüdiger Funk, Reinhold Schwalm +2 more | 2007-04-03 |
| 7183360 | Method for crosslinking hydrogels with morpholine-2,3-diones | Kai Michael Exner, Klemens Massonne, Ulrich Riegel, Matthias Weismantel | 2007-02-27 |
| 7135209 | Water soluble radiation activatable polymer resins | Rainer Dyllick-Brenzinger, Ralf Fink, Karl-Heinz Schumacher, Oliver Koch | 2006-11-14 |
| 6831122 | Water-absorbing agent, method for the production and the utilization thereof | Ulrich Riegel, Matthias Weismantel | 2004-12-14 |
| 6710141 | Method for continuously producing cross-linked fine-particle geleous polymerizates | Wilfried Heide, Stefan Wickel, Joachim Nilges, Jurgen Hofmann | 2004-03-23 |
| 6657015 | Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines | Ulrich Riegel, Matthias Weismantel, Volker Frenz, Fritz Engelhardt | 2003-12-02 |
| 6559239 | Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones | Ulrich Riegel, Matthias Weismantel, Volker Frenz, Fritz Engelhardt | 2003-05-06 |
| 6503979 | Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones | Rüdiger Funk, Volker Frenz, Ulrich Riegel, Matthias Weismantel, Fritz Engelhardt | 2003-01-07 |
| 6472478 | Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones | Rüdiger Funk, Volker Frenz, Ulrich Riegel, Matthias Weismantel, Fritz Engelhardt | 2002-10-29 |
| 5945495 | Use of surfactants in the drying of hydrophilic highly swellable hydrogels | Norbert Herfert, Gustav Remmel, Ulrich Riegel, Uwe Stuven, Fritz Engelhardt | 1999-08-31 |
| 5840321 | Hydrophilic, highly swellable hydrogels | Fritz Engelhardt, Uwe Stuven, Norbert Herfert | 1998-11-24 |