Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188157 | Process for wet spinning of cellulose fibers from an alkaline spin bath | Tobias Köhnke, Jonas Engström | 2025-01-07 |
| 12091469 | Method and system for the production of a spinning dope composition | Carina Olsson, Tobias Köhnke | 2024-09-17 |
| 11753482 | System for the production of a spinning dope composition | Carina Olsson, Tobias Köhnke | 2023-09-12 |
| 11299556 | Method for the production of a spinning dope composition | Carina Olsson, Tobias Köhnke | 2022-04-12 |
| 10138578 | Alkali recycle in cellulose spinning process | Lars Stigsson, Tobias Köhnke, Artur HEDLUND, Marta Bialik | 2018-11-27 |
| 9725633 | Multi-component fibres | Anna Nihlstrand, Inge Gabrielii | 2017-08-08 |
| 6645588 | Coating composition | Leif Leiden, Markku Asumalahti, Jari Aarila, Laila Rogestedt, Hans Martinsson +1 more | 2003-11-11 |