US PATENT SUBCLASS 210 / 684
.~.~.~.~ Metal complexed (e.g., chromate, ferricyanide, chlorplatinate, etc.)

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  DF  .~.~.~ Anions {2}
684.~.~.~.~ Metal complexed (e.g., chromate, ferricyanide, chlorplatinate, etc.)

DEFINITION

Classification: 210/684

Metal complexed (e.g., chromate, ferricyanide, chlorplatinate, etc.):

(under subclass 683) Process in which the ion comprises a metal atom chemically bound with nonmetal(s).