Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5945495 | Use of surfactants in the drying of hydrophilic highly swellable hydrogels | Thomas Daniel, Norbert Herfert, Ulrich Riegel, Uwe Stuven, Fritz Engelhardt | 1999-08-31 |
| 5681878 | Low-dusting pulverulent hydrophilic polymers | Helmut Klotzsche, Ulrich Riegel, Uwe Stuven | 1997-10-28 |
| 5668236 | Hydrophilic highly swellable hydrogels | Fritz Engelhardt, Ulrich Riegel, Uwe Stuven, Helmut Klotzsche | 1997-09-16 |