US PATENT SUBCLASS 564 / 320
.~.~.~.~.~ Hydroxy or ether oxygen bonded directly to the carbon (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)

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}
315  DF  .~.~.~ Two aryl rings or ring systems bonded directly to the same carbon {7}
316  DF  .~.~.~.~ Amino nitrogen attached to the carbon by an acyclic carbon or chain {3}
320.~.~.~.~.~ Hydroxy or ether oxygen bonded directly to the carbon (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)

DEFINITION

Classification: 564/320

(under subclass 316) Compounds wherein an -OX is bonded directly to the inter aryl carbon where X may be H, C, a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.

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