US PATENT SUBCLASS 568 / 725
.~.~.~.~.~.~.~.~.~ Halogen containing


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}
716  DF  .~.~.~.~ Phenols (H of -OH may be replaced by a Group IA or IIA light metal) {14}
717  DF  .~.~.~.~.~ Polyphenols {4}
722  DF  .~.~.~.~.~.~ Two phenols bonded directly to the same carbon {1}
723  DF  .~.~.~.~.~.~.~ Identical phenols {3}
724  DF  .~.~.~.~.~.~.~.~ Purification or recovery {1}
725.~.~.~.~.~.~.~.~.~ Halogen containing


DEFINITION

Classification: 568/725

Halogen containing:

(under subclass 724) Processes wherein the compound separated

contains halogen.