Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861577 | Method for removing the sulphur content of a weak gas containing sulfur dioxide | Jaakko T. I. I Poijarvi, Maija-Leena Metsarinta | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861577 | Method for removing the sulphur content of a weak gas containing sulfur dioxide | Jaakko T. I. I Poijarvi, Maija-Leena Metsarinta | 1989-08-29 |