US PATENT SUBCLASS 585 / 531
.~.~.~.~ Group VIII metal

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
502  DF  .~ By addition of entire unsaturated molecules, e.g., polymerization, etc. {8}
520  DF  .~.~ Using extraneous nonhydrocarbon agent, e.g., catalyst, etc. {5}
530  DF  .~.~.~ Catalyst containing inorganic metal {2}
531.~.~.~.~ Group VIII metal

DEFINITION

Classification: 585/531

Group VIII metal:

(under subclass 530) Subject matter wherein the catalyst contains iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, or platinum in free or combined form.