US PATENT SUBCLASS 585 / 453
.~.~.~ Resulting side-chain has less than four C atoms

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}
452  DF  .~.~ Attachment to side-chain, e.g., telomerization, etc. {1}
453.~.~.~ Resulting side-chain has less than four C atoms

DEFINITION

Classification: 585/453

Resulting side-chain has less than four C atoms:

(under subclass 452) Subject matter wherein a methyl substituent of an aromatic ring becomes an ethyl or propyl substituent or in which an ethyl substituent becomes a propyl substituent.