Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833937 | Polymeric combinations used as copper and precious metal heap leaching agglomeration aids | — | 1998-11-10 |
| 5758255 | Opposite phase entrainment reduction in solvent extraction/electrowinning circuits by addition of water soluble cationic polymers | Kenneth Malcolm Smith | 1998-05-26 |
| 5653886 | Coagulant for mineral refuse slurries | John R. Hurlock, Lawrence J. Connelly | 1997-08-05 |
| 5622647 | Dadmac/vinyl trialkoxysilane copolymers for dewatering in the mining industry | Manian Ramesh | 1997-04-22 |
| 5603841 | Hydrophobically-modified polymers for dewatering in mining processes | — | 1997-02-18 |
| 5597475 | DADMAC/vinyl trialkoxysilane copolymers for dewatering copper and taconite slurries in the mining industry | Manian Ramesh | 1997-01-28 |
| 5518634 | Coagulant for twin belt filter presses | Krishnan J. Pillai | 1996-05-21 |
| 5476522 | Method for dewatering coal tailings using DADMAC/vinyl trialkoxysilane copolymers as a coagulant | Manian Ramesh | 1995-12-19 |
| 5009873 | Crystal modification in wet process phosphoric acid production | Lawrence J. Connelly, William J. Roe, Robert M. Vallowe | 1991-04-23 |
| 4941925 | Cleaner for high pressure cleaning of ferrous and non-ferrous material | Bernard R. Szyszko | 1990-07-17 |
| 4915859 | Micro-emulsion drawing fluids for steel and aluminum | Bernard R. Szyszko | 1990-04-10 |