US PATENT SUBCLASS 585 / 445
.~.~.~.~ Cr-, Mo-, or W-containing

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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
435  DF  .~ Having alkenyl moiety, e.g., styrene, etc. {4}
440  DF  .~.~ By dehydrogenation {4}
444  DF  .~.~.~ Using metal oxide, sulfide, or salt {1}
445.~.~.~.~ Cr-, Mo-, or W-containing

DEFINITION

Classification: 585/445

Cr-, Mo-, or W-containing:

(under subclass 444) Subject matter wherein the process uses chromium, tungsten, or molybdenum in free or combined form.