Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472478 | Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones | Rüdiger Funk, Volker Frenz, Ulrich Riegel, Fritz Engelhardt, Thomas Daniel | 2002-10-29 |
| 6414214 | Mechanically stable hydrogel-forming polymers | Friedrich Engelhardt, Volker Frenz, Norbert Herfert, Ulrich Riegel, Wilfried Heide | 2002-07-02 |