Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338402 | Process for preparing a bleached chemithermomechanical pulp | Robert Angelier | 1994-08-16 |
| 5298118 | Preparation of bleached chemithermomechanical pulp | — | 1994-03-29 |
| 5296100 | H.sub.2 O.sub.2 /alkaline bleaching of wood pulps | — | 1994-03-22 |
| 5219601 | Two-step bleaching of plant materials | — | 1993-06-15 |
| 5143581 | Method of peroxide bleaching of pulp pretreated with a sequestering agent then with a sulphite and reducing agent | — | 1992-09-01 |
| 5124171 | Removal of peroxide values from bleached/dried vegetable matter | — | 1992-06-23 |
| 5094866 | Bleaching of vegetable pulps | — | 1992-03-10 |
| 5085880 | Process for the preparation of bleached vegetable pulps | — | 1992-02-04 |
| 4966984 | Process for the cyclization of orthobenzoylbenzoic acid | — | 1990-10-30 |
| 4812206 | Process for bleaching lignocellulosic matter | Robert Angelier | 1989-03-14 |
| 4717451 | Process for the preparation of anthraquinone dispersions and their use in alkaline wood digestion processes | Jean-Pierre Schirmann | 1988-01-05 |
| 4591460 | Process for the decomposition of a complex of orthobenzoyl-benzoic acid, hydrogen fluoride and boron trifluoride | — | 1986-05-27 |
| 4496760 | Process of decomposition of a complex of ortho-benzoyl benzoic acid, hydrogen fluoride and boron trifluoride | — | 1985-01-29 |
| 4379092 | Process for the preparation of anthraquinone and its substituted derivatives | — | 1983-04-05 |