Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658429 | Process for bleaching of lignocellulose-containing pulp using a chelating agent prior to a peroxide-ozone-peroxide sequence | Lennart Andersson, Jiri Basta, Lillemor Holtinger | 1997-08-19 |
| 4878998 | Method for controlling peroxide bleaching in a plurality of bleaching stages | Gorgen Akerlund | 1989-11-07 |
| 4311553 | Method for use in the defibration or refining of lignocellulose-containing fibrous materials | Sven G. Akerlund | 1982-01-19 |