Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9682868 | Partially continuous countercurrent process for converting gypsum to ammonium sulfate and calcium carbonate | Murray P. Hasinoff, Joseph A. Saiia, Arthur R. Shirley, Jr., Keith D. Cochran, Timothy G. Holt +2 more | 2017-06-20 |