US PATENT SUBCLASS 210 / 693
.~.~.~.~.~ Oil removed


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  DF  .~.~.~.~ Utilizing synthetic resin {1}
693.~.~.~.~.~ Oil removed


DEFINITION

Classification: 210/693

Oil removed:

(under subclass 692) Process wherein the organic constituent removed from the liquid is an oil.

SEE OR SEARCH THIS CLASS, SUBCLASS:

671, for rehabilitating an oil sorbent material, combined with a sorbing step.

680, for removal of oil from a liquid with a sorbent material which is associated with an inert material.