US PATENT SUBCLASS 210 / 721
.~.~ Including oxidation


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

600  DF  PROCESSES {14}
702  DF  .~ Making an insoluble substance or accreting suspended constituents {14}
721.~.~ Including oxidation {1}
722  DF  .~.~.~> Of iron or manganese material


DEFINITION

Classification: 210/721

Including oxidation:

(under subclass 702) Process which include a step of oxidizing a constituent of the liquid.