US PATENT SUBCLASS 423 / 204
.~.~.~ Mixture contains organic impurity

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}
179  DF  .~ Alkali metal (Li, Na, K, Rb, or Cs) {12}
203  DF  .~.~ Subjecting mixture to pressure, vacuum, or steam {2}
204.~.~.~ Mixture contains organic impurity

DEFINITION

Classification: 423/204

(under subclass 203) Processes wherein the original mixture contains an organic impurity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

182+, for a process which includes a step of regenerating or rehabilitating a solution, usually containing an organic impurity to obtain or recover alkali metal.