Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622533 | Vinylamine copolymer coagulants for use in coal refuse dewatering | Anthony G. Sommese | 1997-04-22 |
| 5529588 | Method of dewatering coal using vinyl amine-containing coagulants | Anthony G. Sommese | 1996-06-25 |
| 5518634 | Coagulant for twin belt filter presses | E. Michael Kerr | 1996-05-21 |
| 5441649 | Vinylamine copolymer flocculangts for use in coal refuse thickening | Anthony G. Sommese | 1995-08-15 |
| 5185135 | Method of dewatering a wet process phosphoric acid slurry | Lawrence J. Connelly, William K. Gustafson | 1993-02-09 |