Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5518591 | Use of electrode system for measuring hydrogen peroxide concentration | Martti Pulliainen, Timo Laurila | 1996-05-21 |
| 5290401 | Method and a device for separating plastic particles from supensions | Martti Pulliainen, Markku Ainali, Timo Laurila, Pentti Järvelä, Esko Paakkonen | 1994-03-01 |
| 5062932 | Procedure and means for separating plastic particles electrically from solutions, in particular from cellulose and paper fibre solutions | Martti Pulliainen, Markku Ainali | 1991-11-05 |
| 4933292 | Method for controlling and measuring cellulose digestion | Timo Kerola | 1990-06-12 |