US PATENT SUBCLASS 568 / 367
.~.~.~ Plural alicyclic rings 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}
303  DF  .~.~ Ketones {10}
367.~.~.~ Plural alicyclic rings containing {1}
368  DF  .~.~.~.~> Polycyclo ring system {3}


DEFINITION

Classification: 568/367

(under subclass 303) Compounds which contain at least two alicyclic rings.