US PATENT SUBCLASS 585 / 663
.~.~.~.~ With other transition metal

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  DF  .~.~.~ Cr, Mo, or W {1}
663.~.~.~.~ With other transition metal

DEFINITION

Classification: 585/663

With other transition metal:

(under subclass 662) Subject matter in which the chromium molybdenum or tungsten metal, oxide, or sulfide is employed in combination with another transition metal oxide or sulfide.