US PATENT SUBCLASS 562 / 404
.~.~.~ 1,4a-dimethyl hydrophenanthrene-1 carboxylic acids or salts thereof

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}
403  DF  .~.~ Hydrophenanthrene nucleus {1}
404.~.~.~ 1,4a-dimethyl hydrophenanthrene-1 carboxylic acids or salts thereof

DEFINITION

Classification: 562/404

1,4a-dimethyl hydrophenanthrene-1 carboxylic acids or salts thereof:

(under subclass 403) Compounds which contain the 1,4a-dimethyl hydrophenanthrene-1 carboxylic acid nucleus.

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