Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620294 | Formulations of fluorescent whitening agents | Rainer Hans Traber, Peter Rohringer | 2003-09-16 |
| 5068009 | Method of producing fluff pulp with improved defibration properties | Jukka Kettunen, Jarkko Lepo, Tapio Niemi, Jaakko E Laine | 1991-11-26 |
| 4756801 | Paper-making method and a combination of ingredients to be used in it | Lars Petander, Pirkko Virta | 1988-07-12 |