US PATENT SUBCLASS 564 / 362
.~.~.~.~.~.~ Four or more substituents on the aryl ring or ring system


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}
355  DF  .~.~.~.~ Hydroxy, bonded directly to carbon, or ether oxygen attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding with no amino nitrogen between the hydroxy or ether oxygen and the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) {5}
361  DF  .~.~.~.~.~ Plural hydroxy groups bonded directly to the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) {1}
362.~.~.~.~.~.~ Four or more substituents on the aryl ring or ring system


DEFINITION

Classification: 564/362

(under subclass 361) Compounds wherein the aryl ring or ring system contains at least four substituents bonded directly to ring carbons.

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