Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165320 | Method of sizing | Robert Bates, Gerard J. Broekhuisen, Edwin R. Hensema | 2000-12-26 |
| 6074468 | Sizing composition | Robert Bates, Gerard J. Broekhuisen, Edwin R. Hensema | 2000-06-13 |
| 5972094 | Sizing composition | Robert Bates, Gerard J. Broekhuisen, Edwin R. Hensema | 1999-10-26 |
| 5912306 | Cationic compounds useful as drainage aids and stabilizers for rosin-based sizing agents | Ian A. Pudney, Brian M. Stubbs | 1999-06-15 |
| 5393338 | Cationic compounds useful as drainage aids and stabilizers for rosin-based sizing agents | Ian A. Pudney, Brian M. Stubbs | 1995-02-28 |