US PATENT SUBCLASS 560 / 178
.~.~.~.~ Acetoacetic 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}
129  DF  .~.~ Acyclic acid moiety {9}
174  DF  .~.~.~ Aldehyde or ketone group in acid moiety {4}
178.~.~.~.~ Acetoacetic acid

DEFINITION

Classification: 560/178

Acetoacetic acid:

(under subclass 174) Compounds which are esters of acetoacetic acid, per se.

(1) Note. For substituted derivatives of acetoacetic acid esters, see the appropriate subclasses above.

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