Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10189935 | Water soluble cross-linked block copolymers | Asko Karppi, Sacha Legrand | 2019-01-29 |
| 10030335 | Filler aggregate composition and its production | Mikko Virtanen | 2018-07-24 |
| 9982394 | Papermaking agent composition and method for treating fibre stock | Joonas Hokka, Sacha Legrand, Marco Polverari | 2018-05-29 |
| 9809930 | Papermaking agent system, method for making a papermaking agent system and its use | Asko Karppi, Marco Polverari | 2017-11-07 |
| 9752284 | Method for treating a fibre stock for making of paper, board or the like and product | Mikko Virtanen, Emmi Saranpää | 2017-09-05 |
| 9279217 | Method for making of paper, tissue, board or the like | Kimmo Strengell, Asko Karppi, Marko Kolari, Jaakko Ekman | 2016-03-08 |
| 9080288 | Method for producing paper, board or the like and agglomerate | Mikko Virtanen, Jonni Ahlgren | 2015-07-14 |
| 8936698 | Fixative composition, thick stock composition and process for fixating hydrophobic and/or anionic substances on fibres | Asko Karppi, Lenita Lindberg | 2015-01-20 |
| 7566382 | Method and arrangement for controlling short circulation in a paper machine or the like | — | 2009-07-28 |
| 7407563 | Apparatus and method in the treatment of the stock passed to a headbox of a paper machine or equivalent | — | 2008-08-05 |
| 6986832 | Arrangement for mixing flows in papermaking process | Perttu Lamminen, Juhani Sams, Kati Lindroos | 2006-01-17 |
| 6869504 | Apparatus for passing stock into a headbox of a paper machine or equivalent | — | 2005-03-22 |