Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5405496 | Process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking | Hans G. Lindberg | 1995-04-11 |
| 4981556 | Process for the preparation of sulfide-free alkali liquor using copperoxide | Håkan Bergström, Per Ulmgren | 1991-01-01 |
| 4519918 | Process for the absorption of organic liquids by use of a hydrophobic fibrous material | Thomas Ericsson, Sten Gylfe | 1985-05-28 |