US PATENT SUBCLASS 585 / 254
.~ With preliminary diverse conversion

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.~ With preliminary diverse conversion {2}
255  DF  .~.~> Polymerization of olefins only
256  DF  .~.~> Molecular weight reduction

DEFINITION

Classification: 585/254

With preliminary diverse conversion:

(under subclass 250) Subject matter in which the feedstock to

hydrogenation is the product of a synthesis operation, different from hydrogenation of unsaturation bonds.