US PATENT SUBCLASS 205 / 529
.~.~.~.~.~.~.~.~ Purifying the cathode

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}
464  DF  .~ Preparing inorganic compound {9}
477  DF  .~.~ Metal containing compound produced {11}
508  DF  .~.~.~ Hydroxide {2}
510  DF  .~.~.~.~ Alkali metal containing {3}
516  DF  .~.~.~.~.~ And elemental halogen produced {4}
526  DF  .~.~.~.~.~.~ Utilizing specified electrode (e.g., rod, cylinder, etc.) {4}
527  DF  .~.~.~.~.~.~.~ Mercury or amalgam cathode {2}
529.~.~.~.~.~.~.~.~ Purifying the cathode

DEFINITION

Classification: 205/529

Purifying the cathode:

(under subclass 527) Subject matter wherein the mercury or amalgam cathode is purified.

(1) Note. This subclass includes treating the amalgamated mercury cathode with water or other agent to generate the hydroxide when combined with the electrolytic synthesis step of producing the amalgam even though no electrolytic action is claimed for the amalgamated mercury treatment step.

SEE OR SEARCH CLASS

423, Chemistry of Inorganic Compounds,

180, for the mere treatment of mercury amalgam which may be prepared electrolytically unless an internal or external current is impressed to facilitate the action by electrolysis.