US PATENT SUBCLASS 560 / 116
.~.~ Plural alicyclic rings in acid moiety

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.~.~ Plural alicyclic rings in acid moiety {2}
117  DF  .~.~.~> Tricyclo ring system in acid moiety
118  DF  .~.~.~> Two rings only in acid moiety {2}

DEFINITION

Classification: 560/116

Plural alicyclic rings in acid moiety:

(under subclass 1) Compounds in which the acid radical contains more than one alicyclic group.

(1) Note. Compounds containing the hydrophenanthrene nucleus are placed in subclasses 5+.

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