US PATENT SUBCLASS 210 / 658
.~.~ Utilizing paper or thin layer plate

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

600  DF  PROCESSES {14}
656  DF  .~ Chromatography {3}
658.~.~ Utilizing paper or thin layer plate

DEFINITION

Classification: 210/658

Utilizing paper or thin layer plate:

(under subclass 656) Process in which the sorbent comprises a fibrous web or a thin coating or sorptive material on a flat substrate and wherein separation occurs along the plane of the web or coating.