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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.).