Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885148 | Production of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet process | Donald B. Stain, James D. Wilson | 1989-12-05 |
| 4828811 | Method for producing phosphoric acid from phosphate ore | Gary Derdall, Robin Phinney, James D. Wilson | 1989-05-09 |