US PATENT SUBCLASS 585 / 262
.~.~.~ Using S or Group I or II transition metal-containing catalyst

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}
258  DF  .~ Hydrocarbon is contaminant in desired hydrocarbon {1}
259  DF  .~.~ Hydrogenation of diolefin or triple bond {3}
262.~.~.~ Using S or Group I or II transition metal-containing catalyst

DEFINITION

Classification: 585/262

Using S or Group I or II transition metal-containing catalyst:

(under subclass 259) Subject matter employing a catalyst which contains sulfur, copper, silver, gold, zinc, cadmium,

or mercury.