US PATENT SUBCLASS 585 / 255
.~.~ Polymerization of olefins only

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}
254  DF  .~ With preliminary diverse conversion {2}
255.~.~ Polymerization of olefins only

DEFINITION

Classification: 585/255

Polymerization of olefins only:

(under subclass 254) Subject matter wherein the only other synthesis step is the polymerization of an olefinic feedstock before hydrogenation reaction.