US PATENT SUBCLASS 210 / 666
.~.~.~.~ Utilizing organic agent

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

600  DF  PROCESSES {14}
660  DF  .~ Ion exchange or selective sorption {8}
663  DF  .~.~ Including diverse separating or treating of liquid {4}
665  DF  .~.~.~ By making an insoluble substance or accreting suspended constituents {2}
666.~.~.~.~ Utilizing organic agent

DEFINITION

Classification: 210/666

Utilizing organic agent:

(under subclass 665) Process in which a carbon compound is added to the liquid to cause precipitation or accretion of a dissolved or suspended material.

(1) Note. The carbon compound is one that is classifiable in Class 260, Chemistry of Carbon Compounds, and does not include metal carbonates or cyanides.