US PATENT SUBCLASS 560 / 51
.~.~.~ Aldehyde or ketone group 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}
8  DF  .~.~ Aromatic acid moiety {9}
51.~.~.~ Aldehyde or ketone group in acid moiety {3}
52  DF  .~.~.~.~> Plural rings bonded directly to the same carbonyl in acid moiety
53  DF  .~.~.~.~> Oxy in acid moiety
54  DF  .~.~.~.~> Polycarboxylic acid

DEFINITION

Classification: 560/51

Aldehyde or ketone group in acid moiety:

(under subclass 8) Compounds wherein the acid radical contains the group -C(=O)X bonded to carbon and X is C or H, i.e., aldehyde or ketone group containing esters.

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