US PATENT SUBCLASS 205 / 495
.~.~.~.~ Sulfite, bisulfite, or dithionite

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}
477  DF  .~.~ Metal containing compound produced {11}
494  DF  .~.~.~ Sulfur containing (e.g., sulfide, etc.) {2}
495.~.~.~.~ Sulfite, bisulfite, or dithionite

DEFINITION

Classification: 205/495

Sulfite, bisulfite, or dithionite:

(under subclass 494) Subject matter wherein the sulfur containing compound produced is a sulfite (SO3 containing), a bisulfite (HSO3 containing), or a dithionite (S2O4 containing).

(1) Note. Dithionite may be termed hydrosulfite or hyposulfite in the patents.