US PATENT SUBCLASS 205 / 703
.~.~ Using membrane

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}
688  DF  .~ Organic {9}
703.~.~ Using membrane

DEFINITION

Classification: 205/703

Using membrane:

(under subclass 688) Subject matter in which a semipermeable solid barrier or diaphragm (e.g., ion exchange membrane, etc.) is used in the treatment of organic material; usually the barrier or diaphragm is placed between the electrodes in an electrolytic cell to provide separate compartments.

SEE OR SEARCH THIS CLASS, SUBCLASS:

746+, for electrolytic treatment of water, sewage, or other waste water using a membrane.

770, for electrolytic treatment of other nonmetallic inorganic material using a membrane.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

450+, and particularly subclasses 518+ for electrophoretic or electro-osmotic barrier separation.