US PATENT SUBCLASS 205 / 757
.~.~.~ Bubbling (e.g., for flotation of solids, etc.)

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}
755  DF  .~.~ With mixing, agitating, or gas-liquid contacting {2}
757.~.~.~ Bubbling (e.g., for flotation of solids, etc.)

DEFINITION

Classification: 205/757

Bubbling (e.g., for flotation of solids, etc.):

(under subclass 755) Subject matter in which the water, sewage, or other waste water is contacted with a gas by allowing gas bubbles to rise in a body of the water, sewage, or other waste water (e.g., for flotation of solids, etc.).