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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.