Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211608 | Method for pretreatment of filler, modified filler with a hydrophobic polymer and use of the hydrophobic polymer | Mari Niinikoski, Markku Nurminen, Kenneth Sundberg, Claes Zetter | 2007-05-01 |
| 6749722 | Method of making sized paper, a sized paper grade, and a paper size | Markku Nurminen, Raija Savolainen, Ari Teijo, Claes Zetter | 2004-06-15 |
| 5961708 | Internal sizing composition for paper | Claes Zetter, Markku Nurminen | 1999-10-05 |