US PATENT SUBCLASS 205 / 747
.~.~.~ With filtering

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

687  DF  ELECTROLYTIC MATERIAL TREATMENT (PRODUCT, PROCESS, AND ELECTROLYTE COMPOSITION) {8}
742  DF  .~ Water, sewage, or other waste water {11}
746  DF  .~.~ Using membrane {3}
747.~.~.~ With filtering

DEFINITION

Classification: 205/747

With filtering:

(under subclass 746) Subject matter in which the water, sewage, or other waste water is passed through a porous

substance to mechanically remove a solid therefrom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

751+, for electrolytic treatment of water, sewage, or other waste water with filtering; but without the use of a membrane.