Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221209 | Multi-stage bleaching process having a final stabilized peroxide stage | Francois Desprez, Johan Devenyns, Nicholas A. Troughton | 2001-04-24 |
| 5534115 | Process for preserving the mechanical strength properties of chemical paper pulps | Marc Hoyos, Marcel Robberechts | 1996-07-09 |
| 4363699 | Process for stabilizing solutions of peroxidic compounds used for bleaching | Jean DeCeuster, Edmond Bouillet, Alain Decamps, Pierre Ledoux | 1982-12-14 |
| 4347099 | Process for the reclamation of waste paper | Jean De Ceuster | 1982-08-31 |