Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221343 | Method for removing heavy metals in the manufacture of phosphoric acid | Anis Lakhouaja | 2025-02-11 |
| 11667528 | Method for removing cadmium in the manufacture of phosphoric acid | Anis Lakhouaja | 2023-06-06 |
| 11560310 | Method for producing a calcium phosphate salt | Anis Lakhouaja | 2023-01-24 |
| 9745193 | Method for removing iron in the manufacture of phosphoric acid | Frank S. Hicks | 2017-08-29 |
| 5395603 | Automatic control system for a chemical process, especially a wet process phosphoric acid plant | — | 1995-03-07 |
| 5262963 | Automatic control system for phosphoric acid plant | Regis R. Stana | 1993-11-16 |
| 5188812 | Automatic control system for a phosacid attack tank and filter | — | 1993-02-23 |