Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441897 | Process system for separating chemicals, distillation column arrangement, and method of separating chemicals | Werner Marcelo Goldmann Valdes | 2019-10-15 |
| 6955743 | Method for producing furfural, acetic acid and formic acid from spent pulp-cooking liquor | Esa Rousu, Pasi Rousu, Juha Anttila, Päivi Rousu | 2005-10-18 |
| 5505988 | Method and arrangement for colouring optical fibres | Erkki Peltoluhta | 1996-04-09 |