US PATENT SUBCLASS 585 / 827
.~.~.~ Cyclic sorbate

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}
826  DF  .~.~ With specified sorbent rehabilitation procedure or agent, e.g., desorbent, etc. {2}
827.~.~.~ Cyclic sorbate {1}
828  DF  .~.~.~.~> Aromatic separated from other aromatic

DEFINITION

Classification: 585/827

Cyclic sorbate:

(under subclass 826) Subject matter in which an aromatic or alicyclic hydrocarbon is a material retained by the sorbent during the sorption cycle.