Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7754048 | Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser | Aarto Paren, Jukka Jakara, Ilkka Renvall, Jonni Ahlgren, Riitta Laitinen +1 more | 2010-07-13 |
| 6387998 | Process for preparing a cationically modified (meth)acrylamide polymer and use of the polymer | Jonni Ahlgren, Lars Petander | 2002-05-14 |