Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116294 | Treatment system comprising wood-based organic material and its use in wastewater treatment, and method for removing dissolved organic compounds from wastewater | Sakari Halttunen, Matias PENTTINEN, Susann Härkönen, Marina Shestakova | 2024-10-15 |
| 11118079 | Water-based barrier coatings | Tarja Turkki, Sai Li | 2021-09-14 |
| 10662092 | Method for removing humic substances from an aqueous alkaline solution | Sakari Halttunen, Jussi Ruotsalainen, Maria LUHTALA, Miia Niemelä | 2020-05-26 |
| 9410289 | Coating color composition and paper or paperboard coated with it | Antti Matula, Tarja Turkki | 2016-08-09 |
| 9080288 | Method for producing paper, board or the like and agglomerate | Matti Hietaniemi, Mikko Virtanen | 2015-07-14 |
| 8052841 | Process for manufacturing of paper | Kimmo Strengell | 2011-11-08 |
| 8048264 | Composition and process for the treatment of fibre material | Aarto Paren, Jukka Jakara, Ilkka Renvall, Jukka Rautiainen | 2011-11-01 |
| 7988821 | Process for the treatment of fibre material and new composition | Seung-Hoon Lee, Jukka Jakara, Aarto Paren, Jukka Rautiainen, Ilkka Renvall | 2011-08-02 |
| 7867357 | Polymer composition for peroxide bleaching of cellulosic fibre material and processes for peroxide bleaching | Aarto Paren, Jukka Jakara, Timo Härmä, Ilkka Renvall | 2011-01-11 |
| 7754048 | Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser | Aarto Paren, Jukka Jakara, Ilkka Renvall, Riitta Laitinen, Jussi Nikkarinen +1 more | 2010-07-13 |
| 7674851 | Polymer composition for peroxide bleaching of cellulosic fibre material and processes for peroxide bleaching | Aarto Paren, Jukka Jakara, Timo Härmä, Ilkka Renvall | 2010-03-09 |
| 6712934 | Method for production of paper | Kimmo Strengell | 2004-03-30 |
| 6387998 | Process for preparing a cationically modified (meth)acrylamide polymer and use of the polymer | Lars Petander, Jussi Nikkarinen | 2002-05-14 |
| 5603911 | Preparing a crystalline, stable sodium percarbonate | Timo Korvela, Bo Hedenas, Ilkka Renwall | 1997-02-18 |