US PATENT SUBCLASS 585 / 819
.~.~ Aromatic permeate

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

800  DF  PURIFICATION, SEPARATION, OR RECOVERY {7}
818  DF  .~ By membrane, selective septum, or coalescer {1}
819.~.~ Aromatic permeate

DEFINITION

Classification: 585/819

Aromatic permeate:

(under subclass 818) Subject matter wherein an aromatic component of the hydrocarbon mixture passes through the membrane or septum.