US PATENT SUBCLASS 585 / 810
.~.~.~ Diolefin

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

800  DF  PURIFICATION, SEPARATION, OR RECOVERY {7}
802  DF  .~ By plural serial diverse separations {3}
809  DF  .~.~ To recover unsaturate {2}
810.~.~.~ Diolefin

DEFINITION

Classification: 585/810

Diolefin:

(under subclass 809) Subject matter wherein a recovered product has two double bonds.