Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816610 | Procedure for manufacturing short-chain linear .alpha.-olefines from ethylene | Leena Rantanen, Jouni Kivi, Erkki Halme | 1989-03-28 |
| 4801758 | Procedure for producing hydroquinone | Taru Haimala | 1989-01-31 |