B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/31, 403/5
B01J 20/26 (2006.01) C01G 3/00 (2006.01) C01G 9/00 (2006.01) C01G 53/00 (2006.01) C22B 15/00 (2006.01) C22B 60/02 (2006.01)
Patent
CA 1116158
ABSTRACT OF THE DISCLOSURE According to the present invention there are improved impregnated resins adapted for the selective extraction of predetermined metals from solutions. There is provided a novel process of impregnating known resins of the macroporous polystyrene type; there are provided novel resins which serve as supports for various extraction agents; there are provided novel extraction agents which are advantageously used for the impregnation of resins and there are provided novel reagents which are attached to resins by strong physical bonds. There is provided a process for the selective extraction of predetermined metals, using novel impregnated resins of the present invention, and especially to the extraction of copper, zinc, uranium and nickel.
283296
Borden Ladner Gervais Llp
Ltd. Yeda Research And Development Co.
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