US PATENT SUBCLASS 210 / 692
.~.~.~.~ Utilizing synthetic resin

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}
690  DF  .~.~ Sorbing organic constituent {1}
691  DF  .~.~.~ From aqueous material {2}
692.~.~.~.~ Utilizing synthetic resin {1}
693  DF  .~.~.~.~.~> Oil removed

DEFINITION

Classification: 210/692

Utilizing synthetic resin:

(under subclass 691) Process wherein the separatory material

comprises a manufactured polymeric material exhibiting properties similar to those of a natural resin (e.g., film forming).

(1) Note. Synthetic resins, per se, are classifiable in the 520 series of classes.