Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5753079 | Obtaining enhanced paper production using cationic compositions containing diol and/or diol alkoxylate | Robert O. Keys | 1998-05-19 |
| 5716498 | Process for softening paper in manufacture | William J. Zeman | 1998-02-10 |