Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5540816 | Method of integrating bleaching and recovery in the production of pulp | Stig Andtbacka, Anders Bergqvist, Lennart Hagelquist, Gunnar Carl Wernqvist | 1996-07-30 |
| 4961844 | Apparatus for separating a suspension of fibrous cellulose pulp | Rolf Ekholm, Rune Hillstrom | 1990-10-09 |