US PATENT SUBCLASS 562 / 501
.~.~.~.~ Orthofused


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}
501.~.~.~.~ Orthofused


DEFINITION

Classification: 562/501

Orthofused:

(under subclass 500) Compounds wherein the acid contains two alicyclic nuclei joined to each other through two orthopositioned carbons.

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