US PATENT SUBCLASS 210 / 683
.~.~.~ Anions


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}
681  DF  .~.~ Removing ions {4}
683.~.~.~ Anions {2}
684  DF  .~.~.~.~> Metal complexed (e.g., chromate, ferricyanide, chlorplatinate, etc.)
685  DF  .~.~.~.~> Including cation {1}


DEFINITION

Classification: 210/683

Anions:

(under subclass 681) Process wherein the contituent is negatively charged.