US PATENT SUBCLASS 210 / 669
.~.~.~ Prior to ion exchange or sorption

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
669.~.~.~ Prior to ion exchange or sorption

DEFINITION

Classification: 210/669

Prior to ion exchange or sorption:

(under subclass 663) Process in which the additional separation or treatment is carried out before contact with an ion exchanger or sorbent.