US PATENT SUBCLASS 585 / 421
.~.~.~.~ With alkaline metal compound

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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
407  DF  .~ By ring formation from nonring moiety, e.g., aromatization, etc. {7}
418  DF  .~.~ Using transition metal-containing catalyst {2}
420  DF  .~.~.~ Group VI metal {1}
421.~.~.~.~ With alkaline metal compound

DEFINITION

Classification: 585/421

With alkaline metal compound:

(under subclass 420) Subject matter where one component of the catalyst is a compound of an alkali metal or alkaline earth metal, e.g., lithium, sodium, potassium, rubidium, cesium, beryllium, magnesium, calcium, strontium, barium, or radium.