US PATENT SUBCLASS 585 / 451
.~.~.~ Including dissolving or solids formation or separation

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

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
446  DF  .~ By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. {13}
450  DF  .~.~ With plural separation procedures {1}
451.~.~.~ Including dissolving or solids formation or separation

DEFINITION

Classification: 585/451

Including dissolving or solids formation or separation:

(under subclass 450) Subject matter in which the separation procedure involves filtration, crystallization, use of solid sorbent, formation of a solid precipitate, washing, scrubbing, or other dissolving, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

800+, for such separation procedures applied to hydrocarbons without a claimed synthesis procedure.