US PATENT SUBCLASS 205 / 607
.~.~.~.~ Utilizing sulfur 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}
602  DF  .~.~ Zinc produced {3}
604  DF  .~.~.~ Leaching, dissolving, or extracting prior to synthesis {3}
607.~.~.~.~ Utilizing sulfur containing material {1}
608  DF  .~.~.~.~.~> Removing iron or iron containing material

DEFINITION

Classification: 205/607

Utilizing sulfur containing material:

(under subclass 604) Subject matter wherein a sulfur containing material is used in the leaching, dissolving, or extracting process (e.g., sulfating leach, etc.).