by liquid-liquid extraction using organic compounds

Full Title

Extraction of metal compounds from ores or concentrates by wet processes > Treatment or purification of solutions, e.g. obtained by leaching (C22B3/18 takes precedence) > by liquid-liquid extraction using organic compounds

Child Classifications

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• C22B 3/262
• C22B 3/28 Amines
• C22B 3/30 Oximes
• C22B 3/302
• C22B 3/306
• C22B 3/32 Carboxylic acids
• C22B 3/33
• C22B 3/34 containing sulfur
• C22B 3/36 Heterocyclic compounds (C22B3/34 takes precedence)
• C22B 3/37
• C22B 3/38 containing phosphorus
• C22B 3/40 Mixtures
• C22B 3/41