Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8764936 | Process for producing mechanical pulp suitable for paper or cardboard making | Markku Leskelä, Kristiina Manninen, Ole Nickull, Isto Nikamaa, Marko Pekkola +3 more | 2014-07-01 |
| 6623599 | Process for producing a paper web having calcium carbonate filler by introducing carbon dioxide to the pulp | Heikki Pakarinen, Hannu Juhani Leino | 2003-09-23 |
| 6540870 | Process for substantially retarding dissolution of calcium carbonate in a papermaking system | Heikki Pakarinen, Hannu Juhani Leino | 2003-04-01 |