Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427965 | Dry strength composition, its use and method for making of paper, board or the like | Matti Hietaniemi, Asko Karppi | 2022-08-30 |
| 11225456 | Process for the preparation of a mixture of chelating agents, mixture of chelating agents and methods of using them | Reijo Aksela, Anna-Maija PERANDER, Anna Haarala, Riitta Ilmoniemi, Hanna Hoffren | 2022-01-18 |