US PATENT SUBCLASS 562 / 500
.~.~.~ Two rings only

Current as of: June, 1999
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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
400  DF  .~ Carboxylic acids and salts thereof {14}
498  DF  .~.~ Plural alicyclic rings {2}
500.~.~.~ Two rings only {2}
501  DF  .~.~.~.~> Orthofused
502  DF  .~.~.~.~> 2,2,1-bicyclo

DEFINITION

Classification: 562/500

Two rings only:

(under subclass 498) Compounds wherein the acid contains only two alicyclic nuclei.

(1) Note. This subclass contains, for example: [figure]