C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/375
C22B 3/38 (2006.01) C01G 5/00 (2006.01) C01G 7/00 (2006.01) C01G 31/00 (2006.01) C01G 45/00 (2006.01) C01G 51/00 (2006.01) C01G 55/00 (2006.01) C07C 45/50 (2006.01) C07C 45/80 (2006.01)
Patent
CA 1295486
A B S T R A C T EXTRACTION OF TRANSITION METALS FROM ORGANIC SOLUTIONS Transition metals are recovered from an organic medium by liquid-liquid extraction into an aqueous phase in the presence of a water-soluble cyclic phosphite, forming an aqueous extract phase containing the metals in complex combination with the cyclic phosphite.
509690
Goodall Brian Leslie
Grotenhuis Paulus Alexander Maria
Shell Canada Limited
Smart & Biggar
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