US PATENT SUBCLASS 560 / 7
.~.~.~ 1,4a-Dimethylhydrophenanthrene-1- carboxylic acid

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}
5  DF  .~.~ Hydrophenanthrene in acid moiety {2}
7.~.~.~ 1,4a-Dimethylhydrophenanthrene-1- carboxylic acid

DEFINITION

Classification: 560/7

1, 4a-dimethylhydrophenanthrene - 1 carboxylic acid:

(under subclass 5) Compounds which contain the nucleus 1, 4a-dimethlhydrophenanthrene -1 carboxylic acid.

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