Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279769 | Method for preparing a conductive polymer | Timo Kokkonen, Toivo Karna, Jukka Laakso, Per Nyholm, Henrik Stubb | 1994-01-18 |
| 5158707 | Conductive plastic composite and its preparation and use | Torvald Vestberg, Jukka Laakso, Ismo Lehtiniemi | 1992-10-27 |
| 4610809 | Doped lignin polymer | Ermo Kaila, Anita Kinanen, Kalle Levon, Johannes Turunen, J. Johan Lindberg | 1986-09-09 |