Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4461708 | Procedure for purifying effluent waters, particularly those produced in wood-processing industry | Marja Salkinoja-Salonen, Jorma Rasanen, Juhani Kyytsonen | 1984-07-24 |
| 4344848 | Procedure for purifying waste water in a floating layer reactor | — | 1982-08-17 |