US PATENT SUBCLASS 585 / 828
.~.~.~.~ Aromatic separated from other aromatic

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  DF  .~.~.~ Cyclic sorbate {1}
828.~.~.~.~ Aromatic separated from other aromatic

DEFINITION

Classification: 585/828

Aromatic separated from other aromatic:

(under subclass 827) Subject matter in which a material retained by the sorbent in the sorption cycle is an aromatic compound and in which a material not retained by the sorbent in this cycle is also an aromatic compound.