US PATENT SUBCLASS 205 / 391
.~.~.~.~ Collecting or controlling fumes or gases produced during synthesis

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}
354  DF  .~ Utilizing fused bath {6}
367  DF  .~.~ Single metal produced {8}
372  DF  .~.~.~ Aluminum {16}
391.~.~.~.~ Collecting or controlling fumes or gases produced during synthesis

DEFINITION

Classification: 205/391

Collecting or controlling fumes or gases produced during synthesis:

(under subclass 372) Subject matter wherein the fumes or gases produced during synthesis are collected or controlled.

(1) Note. This subclass includes, for example, utilizing a collection hood, a vacuum, purifying generated gases, etc.