Issued Patents 1997
Showing 1–1 of 1 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, Jeffrey B. Klopfenstein, Robin K. Prokop, J. Michael Willock | 1997-09-23 |