US PATENT SUBCLASS 585 / 276
.~.~ Elemental Co, Fe, or Ni

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}
275  DF  .~ Using transition metal-containing catalyst {2}
276.~.~ Elemental Co, Fe, or Ni

DEFINITION

Classification: 585/276

Elemental Co, Fe, or Ni:

(under subclass 275) Subject matter wherein the hydrogenation catalyst is iron, cobalt, or nickel in the free or uncombined (zero-valence) state.