US PATENT SUBCLASS 585 / 315
.~ With hydrocarbon recycle from later to earlier synthesis

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

310  DF  PLURAL SERIAL DIVERSE SYNTHESES {8}
315.~ With hydrocarbon recycle from later to earlier synthesis {1}
316  DF  .~.~> Earlier synthesis is condensation or alkyl transfer

DEFINITION

Classification: 585/315

With hydrocarbon recycle from later to earlier synthesis:

(under subclass 310) Subject matter in which hydrocarbon material effluent from one synthesis is passed to a diverse synthesis through which diverse synthesis zone the hydrocarbon or its precursor has passed before.