Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670128 | Regeneration of sulfuric acid from sulfate by-products of 2-hydoxy-4-(methylthio) butyric acid manufacture | Robert W. Grendel, Robin K. Prokop, Stanley L. Reid, J. Michael Willock | 1997-09-23 |
| 5498790 | Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture | Robert W. Grendel, Robin K. Prokop, Stanley L. Reid, J. Michael Willock | 1996-03-12 |