US PATENT SUBCLASS 585 / 267
.~.~ Using alkaline metal material

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}
266  DF  .~ Hydrocarbon is aromatic {3}
267.~.~ Using alkaline metal material

DEFINITION

Classification: 585/267

Using alkaline metal material:

(under subclass 266) Subject matter wherein the hydrogenation takes place in the presence of lithium, sodium, potassium, rubidium, cesium, beryllium, magnesium, calcium, strontium or barium in free or combined form.