US PATENT SUBCLASS 560 / 119
.~.~.~.~ Ortho fused

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {17}
1  DF  .~ Carboxylic acid esters {14}
116  DF  .~.~ Plural alicyclic rings in acid moiety {2}
118  DF  .~.~.~ Two rings only in acid moiety {2}
119.~.~.~.~ Ortho fused

DEFINITION

Classification: 560/119

Ortho fused:

(under subclass 118) Compounds in which the acid radical contains two alicyclic groups joined through two ortho positioned carbon atoms.

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