US PATENT SUBCLASS 585 / 811
.~.~.~ Including treatment with S-containing agent


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}
811.~.~.~ Including treatment with S-containing agent


DEFINITION

Classification: 585/811

Including treatment with S-containing agent:

(under subclass 809) Subject matter wherein one of the steps of the process includes treatment of a material with an agent which contains sulfur in free or combined form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

856+, for hydrocarbon purification treatments in general which involve use of a sulfur containing agent.