Selective nickel and cobalt extraction from aqueous acidic solutions

United States of America Patent

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Mar 18, 1980
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N/A
app pub date
Nov 12, 1976
filing date
Nov 12, 1976

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Expired

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Abstract

Nickel and cobalt are separated from aqueous process solutions having pH values below about 4 and containing other metal ions by contacting the process solutions with liquid organic extractants containing a mixture of .alpha.-hydroxyoximes and sulfonic acids dissolved in water-immiscible organic solvents.

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Patent Owner(s)

COMPAGNIE FRANCAISE D'ENTREPRISES MINIERES, METALLURGIQUES ET D' INVESTISSEMENTS;COMPAGNIE FRANCAISE D'ENTREPRISES MINIERES, METALLURIGUES ET D' INVESTISSEMENTS, TOUR MIRABEAU, 39-45 QUAI ANDRE CITROEN, 75739 PARIS, FRANCE A SOCIETE ANONYME UNDER FRENCH LAW

International Classification(s)

C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fekete, Simon O	Arvada, CO	6	84
Meyer, Gustavo A	Arvada, CO	5	26

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Selective nickel and cobalt extraction from aqueous acidic solutions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

05741344

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PATENT NO	4193969
SERIAL NO	05741344
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05741344

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