US PATENT SUBCLASS 205 / 568
.~.~.~ Leaching, dissolving, or extracting prior to synthesis

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

334  DF  ELECTROLYTIC SYNTHESIS (PROCESS, COMPOSITION, AND METHOD OF PREPARING COMPOSITION) {21}
560  DF  .~ Preparing single metal {12}
565  DF  .~.~ Precious metal produced {3}
568.~.~.~ Leaching, dissolving, or extracting prior to synthesis {2}
569  DF  .~.~.~.~> Utilizing nitrogen containing material
570  DF  .~.~.~.~> Utilizing halogen containing material

DEFINITION

Classification: 205/568

Leaching, dissolving, or extracting prior to synthesis:

(under subclass 565) Subject matter wherein a source material (raw material) containing the precious metal is subjected to a process of leaching, dissolving, or extracting prior to electrolytic synthesis.