US PATENT SUBCLASS 564 / 378
.~.~.~.~.~ The aryl ring or ring system is polycyclo

Current as of: June, 1999
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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}
374  DF  .~.~.~.~ The chain consists of two or more carbons which are unsubstituted or have acyclic hydrocarbyl substituents only {7}
378.~.~.~.~.~ The aryl ring or ring system is polycyclo {1}
379  DF  .~.~.~.~.~.~> Tricyclo ring system {1}

DEFINITION

Classification: 564/378

(under subclass 374) Compounds wherein the aryl ring system is a polycyclo ring system.

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

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