Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559182 | Method for purifying cresidine sulfonic acid by resin extraction | — | 1985-12-17 |
| 4474595 | Fertilizer product and process for making and using it | William T. Lawhon, Jr. | 1984-10-02 |
| 4436625 | Method for purification of cresidine sulfonic acid by solvent extraction | Perry J. Gaughan | 1984-03-13 |