Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8623945 | Use of oligomeric carbodiimides as stabilizers | Theo Smit, Laurence Pottie, Simone Schillo, Roelof van der Meer | 2014-01-07 |
| 8063265 | Hydrogel capable of absorbing blood and/or body fluids | Martin H. Beck, Anna Kowalski, Elisabeth Selzer, Ernst Jürgen Bauer, Harald Keller +1 more | 2011-11-22 |
| 7727586 | Production of water-absorbing polymeric particles by dropletization polymerization in the gas phase | Stefan Bruhns, Dennis Lösch, Volker Seidl, Uwe Stueven, Carolin Nadine Dücker +3 more | 2010-06-01 |
| 7220821 | Process for the reduction of the residual monomer content of water-absorbent foam | Hans-Joachim Hähnle, Rüdiger Funk, Wolfgang Heider, Gunnar Schornick | 2007-05-22 |
| 6849665 | Absorbent compositions | Norbert Herfert, Ulrich Riegel, William E. Volz, Thomas H. Majette, James Hill | 2005-02-01 |
| 6657015 | Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines | Ulrich Riegel, Matthias Weismantel, Thomas Daniel, Fritz Engelhardt | 2003-12-02 |
| 6559239 | Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones | Ulrich Riegel, Matthias Weismantel, Thomas Daniel, Fritz Engelhardt | 2003-05-06 |
| 6503979 | Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones | Rüdiger Funk, Ulrich Riegel, Matthias Weismantel, Fritz Engelhardt, Thomas Daniel | 2003-01-07 |
| 6472478 | Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones | Rüdiger Funk, Ulrich Riegel, Matthias Weismantel, Fritz Engelhardt, Thomas Daniel | 2002-10-29 |
| 6414214 | Mechanically stable hydrogel-forming polymers | Friedrich Engelhardt, Norbert Herfert, Ulrich Riegel, Matthias Weismantel, Wilfried Heide | 2002-07-02 |