Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262963 | Automatic control system for phosphoric acid plant | Stephen W. Hilakos | 1993-11-16 |
| 4716026 | Defluorination kiln restriction control agent and method | James R. Gruber, Ernest A. Gudath, Dennis H. Michalski, Robert R. Riddle | 1987-12-29 |
| 4397820 | Method to maintain a high Fe.sup.+2 /Fe.sup.+3 ratio in the stripping system for the recovery of uranium from wet process phosphoric acid | Jose G. Lopez | 1983-08-09 |
| 4332776 | Extractant solvent restoration in the process for recovery of uranium from phosphoric acid | — | 1982-06-01 |
| 4316800 | Recovery of uranium from enriched solution by a membrane separation process | Erich W. Tiepel | 1982-02-23 |
| 4311675 | Maintaining reductive strip efficiency in uranium recovery processes | Edward Mitchell, Joseph S. Rudolph, Jose G. Lopez | 1982-01-19 |
| 4299724 | Process for the recovery of liquid extractant and acid from emulsions formed during metal recovery from acid solutions | — | 1981-11-10 |
| 4292278 | Purification of wet process phosphoric acid as a pretreatment step in the recovery of uranium | Leonard Elikan, Robert W. Ritchey | 1981-09-29 |
| 4248703 | Emulsion removal from acidic solution-solvent interfaces | Floyd E. Camp | 1981-02-03 |
| 4206049 | Recovery of uranium by a reverse osmosis process | James G. Cleary | 1980-06-03 |