Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698075 | Process for bleaching a chemical paper pulp in an oxygen-peroxymonosulfuric acid-hydrogen peroxide sequence | Nicholas A. Troughton, Marcel Robberechts, Gilbert Vrambout | 1997-12-16 |
| 5534115 | Process for preserving the mechanical strength properties of chemical paper pulps | Marcel Robberechts, Paul Essemaeker | 1996-07-09 |