Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472368 | Neutralization of cooling pond water in phosphoric acid plants | Charles W. Weston, Kyle D. Clevenger, Jesse S. Chang | 1984-09-18 |
| 4390509 | Process for manufacturing ammonium phosphate utilizing an oxalic acid acidulating process | Charles W. Weston | 1983-06-28 |
| 4374810 | Recovery of fluorine from pond water of wet process phosphoric acid plants and recycling of defluorinated water | — | 1983-02-22 |