US PATENT SUBCLASS 205 / 639
.~.~.~.~ Specified single metal or alloy

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}
637  DF  .~.~ Hydrogen produced {1}
638  DF  .~.~.~ Utilizing specified electrode {1}
639.~.~.~.~ Specified single metal or alloy

DEFINITION

Classification: 205/639

Specified single metal or alloy:

(under subclass 638) Subject matter wherein at least one electrode containing a single metal or alloy is utilized during synthesis.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

292, and 293 for specified metal or alloy electrode compositions.