US PATENT SUBCLASS 205 / 623
.~.~.~.~ Mercury or amalgam 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}
615  DF  .~ Preparing nonmetal element {8}
618  DF  .~.~ Halogen produced {3}
622  DF  .~.~.~ Utilizing specified electrode other than graphite or inorganic carbon {3}
623.~.~.~.~ Mercury or amalgam cathode

DEFINITION

Classification: 205/623

Mercury or amalgam cathode:

(under subclass 622) Subject matter wherein a mercury or amalgam cathode is utilized during synthesis.

(1) Note. Amalgam is an alloy of a metal with mercury. See Class 420, Glossary, for the definition of "alloy."