US PATENT SUBCLASS 585 / 662
.~.~.~ Cr, Mo, or W

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

500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
654  DF  .~ By dehydrogenation {5}
661  DF  .~.~ Using transition metal oxide, sulfide, or salt {1}
662.~.~.~ Cr, Mo, or W {1}
663  DF  .~.~.~.~> With other transition metal

DEFINITION

Classification: 585/662

Cr, Mo, or W:

(under subclass 661) Subject matter in which the transition metal of the oxide, sulfide, or salt is chromium, molybdenum, or tungsten.