US PATENT SUBCLASS 205 / 569
.~.~.~.~ Utilizing nitrogen containing material


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  DF  .~.~.~ Leaching, dissolving, or extracting prior to synthesis {2}
569.~.~.~.~ Utilizing nitrogen containing material


DEFINITION

Classification: 205/569

Utilizing nitrogen containing material:

(under subclass 568) Subject matter wherein a nitrogen containing material (e.g., nitric acid, sodium cyanide, etc.) is used in the leaching, dissolving, or extracting process (e.g., cyaniding leach, etc.).