Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |