Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-12-01
1977-12-27
Thomas, Jr., James O.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260592, 260465D, 260465G, 423 34, C07C 4976
Patent
active
040655024
ABSTRACT:
New .beta.-diketones of the structure ##STR1## where R is phenyl or alkyl substituted phenyl, R' is alkyl, alkyl substituted phenyl or chloro substituted phenyl and R" is H or --CN with the provisos that; (1) when R is phenyl, R' is a branched chain alkyl group of at least seven carbon atoms and (2) when R is alkyl substituted phenyl, the number of carbon atoms in the alkyl substituent or substituents is at least 7 and at least one such alkyl substituent is branched chain. Process of recovering copper and nickel from their aqueous solutions by the use of the new .beta.-diketones.
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Hampton et al., J. Org. Chem., vol. 31, pp. 1035-1038 (1966).
Stary, The Solvent Extraction of Metal Chelates, pp. 51-79, (1965).
MacKay Kenneth D.
Rogier Edgar R.
Enockson Gene O.
General Mills Chemicals, Inc.
Reamer James H.
Span Patrick J.
Thomas, Jr. James O.
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