Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639347 | Method of controlling of metals in a bleach plant, using oxidation | — | 1997-06-17 |
| 5628874 | Reduction of chloride in pulping chemical recovery systems | Birgitta Sundblad | 1997-05-13 |
| 5509999 | Treatment of bleach plant effluents | — | 1996-04-23 |
| 5439555 | Minimum adverse environmental pulp with feed to chlorate manufacture | — | 1995-08-08 |
| 5405496 | Process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking | Mats-Olov Hedblom | 1995-04-11 |
| 5401362 | Control of metals and dissolved organics in the bleach plant | — | 1995-03-28 |
| 5300191 | Chlorine dioxide generation for a zero discharge pulp mill | — | 1994-04-05 |