Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364438 | Fluid urea-containing fertilizer | Lawrence Alan Peacock, Willis Thornsberry | 1994-11-15 |
| 5352265 | Granular urea-based fertilizer | Lawrence Alan Peacock, Willis Thornsberry, Allen R. Sutton | 1994-10-04 |
| 5236679 | Removal of aluminum contamination during production of phosphoric acid | John W. Wen | 1993-08-17 |
| 5112499 | Process for treating pond water | Michael A. Murray | 1992-05-12 |
| 4994100 | Homogeneous granular nitrogen fertilizer | Allen R. Sutton, Richard L. Balser | 1991-02-19 |
| 4722832 | Sulfur recovery process | John W. Wen | 1988-02-02 |
| 4704136 | Sulfate reduction process useful in coal gasification | Frederick S. Mandel | 1987-11-03 |
| 4485078 | Process for producing wet process phosphoric acid from phosphate rocks containing fluochlorapatite and related minerals | John W. Wen, Frederick S. Mandel | 1984-11-27 |
| 4472368 | Neutralization of cooling pond water in phosphoric acid plants | Padraic S. O'Neill, Kyle D. Clevenger, Jesse S. Chang | 1984-09-18 |
| 4390509 | Process for manufacturing ammonium phosphate utilizing an oxalic acid acidulating process | Padraic S. O'Neill | 1983-06-28 |
| 4325927 | Purified monoammonium phosphate process | John W. Wen | 1982-04-20 |