US PATENT SUBCLASS 568 / 445
.~.~.~ Polycyclo-alicyclic 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}
420  DF  .~.~ Aldehydes {8}
445.~.~.~ Polycyclo-alicyclic ring system

DEFINITION

Classification: 568/445

(under subclass 420) Compounds which contain an alicyclic polycyclo ring system.