US PATENT SUBCLASS 568 / 811
.~.~.~.~ Polyhydroxy (H of -OH may be replaced by a Group IA or IIA light metal)

Current as of: June, 1999
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568 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
700  DF  .~.~ Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) {10}
715  DF  .~.~.~ Benzene ring containing {8}
811.~.~.~.~ Polyhydroxy (H of -OH may be replaced by a Group IA or IIA light metal)

DEFINITION

Classification: 568/811

Polyhydroxy (H of -OH may be replaced by a group IA or IIA light metal):

(under subclass 715) Compounds which contain at least two -OH or -OM groups.