US PATENT SUBCLASS 205 / 550
.~.~.~ Phosphine

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}
549  DF  .~.~ Silicon, boron, or phosphorus containing compound produced {1}
550.~.~.~ Phosphine

DEFINITION

Classification: 205/550

Phosphine:

(under subclass 549) Subject matter wherein the compound produced is phosphine (PH3).

(1) Note. The aqueous electrolyte bath utilized herein may contain a portion or a pool of molten phosphorus.