US PATENT SUBCLASS 568 / 920
.~.~.~.~.~ Alkali or alkaline earth metal containing compound utilized

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}
840  DF  .~.~.~ Acyclic {16}
913  DF  .~.~.~.~ Purification or recovery {8}
920.~.~.~.~.~ Alkali or alkaline earth metal containing compound utilized {1}
921  DF  .~.~.~.~.~.~> Alkali metal hydroxide

DEFINITION

Classification: 568/920

Alkali or alkaline earth metal containing compound utilized:

(under subclass 913) Processes wherein a compound containing a Group IA or IIA metal is used.