US PATENT SUBCLASS 564 / 201
.~.~.~.~ Hydroxy, bonded directly to carbon, or ether in substituent Q (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}
123  DF  .~.~ Carboxamides (i.e., Q-CO-HNH, wherein Q is a substituent having carbon bonded directly to the carbonyl or is hydrogen and wherein any substituent replacing one or both hydrogens shown will be referred to as E) {14}
192  DF  .~.~.~ Substituent Q is acyclic {6}
201.~.~.~.~ Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) {2}
202  DF  .~.~.~.~.~> Benzene ring in a substituent E
203  DF  .~.~.~.~.~> Hydroxy, bonded directly to carbon, or ether in an acyclic substituent E (Hof -OH may be replaced by a substituted or unsubstututed ammonium ion or a Group IA or IIA light metal)

DEFINITION

Classification: 564/201

(under subclass 192) Compounds wherein the carboxylic acid residue contains a hydroxyl bonded directly to carbon, or an ether, wherein the H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or by a Group IA or IIA light metal.

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