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Method for thiosulfate leaching of precious metal-containing materials |
Jinxing Ji, Paul George West-Sells, Ralph Peter Hackl |
2014-09-02 |
| 8597399 |
Method for thiosulfate leaching of precious metal-containing materials |
Jinxing Ji, Paul George West-Sells, Ralph Peter Hackl |
2013-12-03 |
| 8029751 |
Reduction of lime consumption when treating refractory gold ores or concentrates |
James A. King, Jinxing Ji, Cesare G. Ferron |
2011-10-04 |
| 7704298 |
Method for thiosulfate leaching of precious metal-containing materials |
Jinxing Ji, Paul George West-Sells, Ralph Peter Hackl |
2010-04-27 |
| 7604783 |
Reduction of lime consumption when treating refractor gold ores or concentrates |
James A. King, Jinxing Ji, Cesare G. Ferron |
2009-10-20 |
| 7559974 |
Method for thiosulfate leaching of precious metal-containing materials |
Jinxing Ji, Paul George West-Sells, Ralph Peter Hackl |
2009-07-14 |
| 7066983 |
Method for thiosulfate leaching of precious metal-containing materials |
Jinxing Ji, Paul George West-Sells, Ralph Peter Hackl |
2006-06-27 |
| 6919030 |
Process for recovering cyanide from copper-containing feed material |
John Anton Thorpe |
2005-07-19 |
| 6660059 |
Method for thiosulfate leaching of precious metal-containing materials |
Jinxing Ji, Paul George West-Sells, Ralph Peter Hackl |
2003-12-09 |
| 6451275 |
Methods for reducing cyanide consumption in precious metal recovery by reducing the content of intermediate sulfur oxidation products therein |
— |
2002-09-17 |
| 6344068 |
Process for recovering gold from thiosulfate leach solutions and slurries with ion exchange resin |
John L. Wells, Kenneth G. Thomas |
2002-02-05 |
| 6315812 |
Oxidative pressure leach recovery using halide ions |
David Dreisinger, P. Terry O'Kane |
2001-11-13 |
| 5807421 |
Hydrometallurgical extraction process |
Walther G. Grot, John Anton Thorpe |
1998-09-15 |
| 5785736 |
Gold recovery from refractory carbonaceous ores by pressure oxidation, thiosulfate leaching and resin-in-pulp adsorption |
Kenneth G. Thomas, Andrew R. Marchbank, David Dreisinger |
1998-07-28 |
| 5667557 |
Hydrometallurgical extraction and recovery of copper, gold, and silver via cyanidation and electrowinning |
Walther G. Grot, John Anton Thorpe |
1997-09-16 |
| 5536297 |
Gold recovery from refractory carbonaceous ores by pressure oxidation and thiosulfate leaching |
Andrew R. Marchbank, Kenneth G. Thomas, David Dreisinger |
1996-07-16 |
| 5478538 |
Removal of radioactivity from zircon |
Michael John Hollitt, Ross Alexander McClelland, Matthew J. Liddy, Ian E. Grey |
1995-12-26 |
| 5411575 |
Hydrometallurgical extraction process |
Walther G. Grot, John Anton Thorpe |
1995-05-02 |
| 5320720 |
Extraction of precious metals from ores thereof |
Alfred S. Hayden, Chandulal P. Patel |
1994-06-14 |
| 4608176 |
Regeneration of thiocyanate resins |
— |
1986-08-26 |