Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300194 | Pitch control | Thord Hassler | 1994-04-05 |
| 5266078 | Enhancement of fluorescent whitening agents: water-soluble phosphonates and carboxylates for coating paper | Thord Hassler, Gunilla Hakansson | 1993-11-30 |
| 5234547 | Creping aid | Paul Knight | 1993-08-10 |
| 4743339 | Method for controlling the digestion of pulp by IR spectroscopy | Oskar Faix, Rudolf Patt | 1988-05-10 |