Certain benzoxazoles and the use thereof as metal extractants

Details Certain benzoxazoles and the use thereof as metal extractants Certain benzoxazoles and the use thereof as metal extractants

1974-10-25

1977-04-26

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260559S, 260575, 260645, 423 24, 423139, 4236585, C07D26356

Patent

active

040200817

ABSTRACT:
Benzoxazoles having the structure ##STR1## where R is hydrogen or an alkyl group having from 1 to 20 carbon atoms, R' is hydrogen, chlorine or an alkyl group containing from 1 to 20 carbon atoms, X is H or Chlorine and the total number of carbon atoms in R and R' is 6 to 40 with the proviso that one of R and R' must be an alkyl group of at least 6 carbon atoms. The benzoxazoles are useful in a process of recovering metal values, particularly copper and nickel, from aqueous solutions thereof.

REFERENCES:
patent: 2995540 (1961-08-01), Duennenberger et al.
patent: 3669979 (1972-06-01), Freyermuth

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