Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849665 | Absorbent compositions | Volker Frenz, Norbert Herfert, Ulrich Riegel, William E. Volz, James Hill | 2005-02-01 |
| 5350799 | Process for the conversion of fine superabsorbent polymer particles into larger particles | Guy Thomas Woodrum | 1994-09-27 |