Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9656924 | Process for producing a zinc sulfate solution, obtained from steelworks powder and respective fertilizer inputs | Haroldo De Araújo Ponte | 2017-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9656924 | Process for producing a zinc sulfate solution, obtained from steelworks powder and respective fertilizer inputs | Haroldo De Araújo Ponte | 2017-05-23 |