US PATENT SUBCLASS 585 / 264
.~ With preliminary treatment of feed or plural separation procedures

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

250  DF  ADDING HYDROGEN TO UNSATURATED BOND OF HYDROCARBON, I.E., HYDROGENATION {10}
264.~ With preliminary treatment of feed or plural separation procedures

DEFINITION

Classification: 585/264

With preliminary treatment of feed or plural separation procedures:

(under subclass 250) Subject matter wherein a reactant to the process is treated, e.g., by heating, purification, etc., before the hydrogenation reaction or wherein more than one separation procedure is applied to the hydrogenerator effluent.