US PATENT SUBCLASS 568 / 818
.~.~.~.~.~ Adamantane ring system

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}
816  DF  .~.~.~ Plural alicyclic rings containing {1}
817  DF  .~.~.~.~ Polycyclo ring system {2}
818.~.~.~.~.~ Adamantane ring system

DEFINITION

Classification: 568/818

Adamantane ring system:

(under subclass 817) Compounds which contain a ring system of the structure: [figure]