Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641064 | Complete drying method for hydrogels | Norbert Herfert, Helmut Klotzsche, Rudolf Schliwa, Uwe Stuven | 2003-11-04 |
| 6602950 | Hydrophilic hydrogels with a high swelling capacity and method for producing and using them | Rüdiger Funk, Norbert Herfert, Mariola Wanior, Friedrich Engelhardt | 2003-08-05 |
| 6565768 | Method for producing water-swellable hydorphilic polymers, said polymers and use thereof | Norbert Herfert, Rudolf Schliwa, Uwe Stuven, Fritz Engelhardt | 2003-05-20 |