US PATENT SUBCLASS 205 / 750
.~.~.~ Removing metal

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}
750.~.~.~ Removing metal

DEFINITION

Classification: 205/750

Removing metal:

(under subclass 746) Subject matter in which a metal or a metal compound is removed from the water, sewage, or other waste water; usually either by deposition of a free metal or metal alloy or by precipitation of an insoluble metal compound or complex.

SEE OR SEARCH THIS CLASS, SUBCLASS:

702, for electrolytic removal of a metal or metal compound from organic material.

705+, for electrolytic removal of foreign material from a metal or metal alloy.

771+, for electrolytic removal of a metal or metal compound from nonmetallic inorganic material.