US PATENT SUBCLASS 585 / 859
.~.~.~.~ Interaction with tertiary olefin

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

800  DF  PURIFICATION, SEPARATION, OR RECOVERY {7}
833  DF  .~ By addition of extraneous agent, e.g., solvent, etc. {15}
856  DF  .~.~ S containing {2}
858  DF  .~.~.~ Sulfuric acid {1}
859.~.~.~.~ Interaction with tertiary olefin

DEFINITION

Classification: 585/859

Interaction with tertiary olefin:

(under subclass 858) Subject matter wherein the purification or separation is accomplished by interengagement of the sulfuric side with an olefin which has a double bond attached to a tertiary carbon atom, that is, a carbon atom which bears no hydrogen, the interengagement being a reaction between the two materials, a dissolving of one in the other, etc.