US PATENT SUBCLASS 423 / 10
.~.~.~.~ Organo-phosphorus solvent

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
2  DF  .~ Radioactive metal (At. No. 84+ or radioactive isotope of another metal) {1}
3  DF  .~.~ Actinide series metal (At. No. 89+) {7}
8  DF  .~.~.~ Liquid-liquid extracting {2}
10.~.~.~.~ Organo-phosphorus solvent

DEFINITION

Classification: 423/10

(under subclass 8) Processes in which one of the liquids is an organic solvent which contains phosphorus.

SEE OR SEARCH CLASS

260, Chemistry of Organic Compounds, appropriate subclasses for phosphorus containing organic solvents.