Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861041 | Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step | Francois Hyvrard | 2005-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861041 | Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step | Francois Hyvrard | 2005-03-01 |