US PATENT SUBCLASS 562 / 577
.~.~.~ Aldehyde or ketone

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}
512  DF  .~.~ Acyclic {14}
577.~.~.~ Aldehyde or ketone {1}
578  DF  .~.~.~.~> Polycarboxylic

DEFINITION

Classification: 562/577

Aldehyde or ketone:

(under subclass 512) Compounds wherein the acid contains the group -C (=O) X bonded to carbon, where X is C or H.

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