US PATENT SUBCLASS 564 / 28
.~.~.~.~ Hydroxy, bonded directly to carbon, or ether containing (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}
17  DF  .~.~ Thioureas (i.e., HNH-C(=S)-HNH, wherein substitution may be made for hydrogen only) {7}
26  DF  .~.~.~ Benzene ring containing {3}
28.~.~.~.~ Hydroxy, bonded directly to carbon, or ether containing (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)

DEFINITION

Classification: 564/28

(under subclass 26) Compounds which contain a hydroxyl group bonded directly to a carbon, or an ether, wherein H of the -OH may be replaced by a substituted or unsubstituted

ammonium ion or a group IA or IIA light metal.

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