US PATENT SUBCLASS 562 / 502
.~.~.~.~ 2,2,1-bicyclo

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  DF  .~.~.~ Two rings only {2}
502.~.~.~.~ 2,2,1-bicyclo

DEFINITION

Classification: 562/502

2,2,1-Bicyclo:

(under subclass 500) Compounds wherein the acid contains a 2,2,1-bicyclo ring system.

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