US PATENT SUBCLASS 205 / 637
.~.~ Hydrogen produced

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.~.~ Hydrogen produced {1}
638  DF  .~.~.~> Utilizing specified electrode {1}

DEFINITION

Classification: 205/637

Hydrogen produced:

(under subclass 615) Subject matter wherein elemental hydrogen is produced during synthesis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

510+, for processes of preparing alkali metal hydroxide and hydrogen from an aqueous bath or a bath other than a fused bath.

620+, for processes of preparing hydrogen and chlorine from an aqueous bath or a bath other than a fused bath.

628+, for processes of preparing oxygen and hydrogen from an aqueous bath or a bath other than a fused bath.