US PATENT SUBCLASS 564 / 354
.~.~.~.~.~.~.~ The part of the chain between the ether oxygen and amino nitrogen consists of two unsubstituted saturated carbons

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564 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
305  DF  .~.~ Benzene ring containing {24}
336  DF  .~.~.~ Amino nitrogen attached to aryl ring or ring system by an acyclic carbon or chain {11}
346  DF  .~.~.~.~ Ether oxygen is part of the chain {1}
347  DF  .~.~.~.~.~ The ether oxygen is bonded directly to the aryl ring or ring system {3}
353  DF  .~.~.~.~.~.~ Hydrogen or acyclic hydrocarbyl substituents only bonded directly to the part of the chain between the ether oxygen and amino nitrogen {1}
354.~.~.~.~.~.~.~ The part of the chain between the ether oxygen and amino nitrogen consists of two unsubstituted saturated carbons

DEFINITION

Classification: 564/354

(under subclass 353) Compounds which are aryloxyethlamines, wherein the part of the chain between the amino nitrogen and the oxygen contains two carbons and is unsubstituted.

(1) Note. This subclass contains, for example: [figure] [figure]