US PATENT SUBCLASS 585 / 830
.~.~ Sorbent is or contains organic

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

800  DF  PURIFICATION, SEPARATION, OR RECOVERY {7}
820  DF  .~ By contact with solid sorbent {7}
830.~.~ Sorbent is or contains organic

DEFINITION

Classification: 585/830

Sorbent is or contains organic:

(under subclass 820) Subject matter in which the sorbent is an organic solid or contains an organic material, e.g., an inorganic sorbent coated with an organic material, etc., which is not part of the recoverable product of the process.