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, Nicholas A. Troughton, Paul Essemaeker | 2001-04-24 |
| 6123809 | Method for bleaching paper pulp | Eric Chauveheid, Lucien Plumet | 2000-09-26 |
| 5645686 | Process for bleaching a pulp in a sequence including an enzyme stage | Nicholas A. Troughton, Francois Desprez, Pierre Ledoux, Rene Detroz | 1997-07-08 |
| 5552018 | A process for delignifying pulp with organic peroxyacid in the presence of phosphonic acids and their salts | — | 1996-09-03 |