| 9989664 |
Process for mining alluvial deposits |
— |
2018-06-05 |
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Metal extractant reagents having increased resistance to degradation |
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Phenoxypyrazole composition and process for the solvent extraction of metals |
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2013-06-25 |
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Modification of copper/iron selectivity in copper solvent extraction systems |
Owen Stewart Tinkler, Keith Alan Cramer, Peter Eric Tetlow, Charles J. Maes |
2013-01-08 |
| 8329124 |
Metal extractant reagents having increased resistance to degradation |
Susan Owens, Matthew Dean Soderstrom, Troy Allan Bednarski, Gustavo Marin |
2012-12-11 |
| 8282857 |
Modification of copper/iron selectivity in copper solvent extraction systems |
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| 8088810 |
Phenoxypyrazole composition and process for the solvent extraction of metals |
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Chemical process |
Raymond F. Dalton, Peter M. Quan |
1998-03-17 |
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Alkylphenoxy substituted bis (thio phosphoryl) amines |
Raymond F. Dalton, Peter M. Quan |
1996-09-17 |
| 5502250 |
Bis(dialkylthiophosphoryl)amines as metal extractants |
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1996-03-26 |
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Process for extracting metal values from aqueous solution |
Raymond F. Dalton, Peter M. Quan |
1995-07-18 |
| 5393431 |
Process for extracting metals |
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1995-02-28 |