US PATENT SUBCLASS 514 / 666
.~.~.~ Aldehyde or ketone containing

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
579  DF  .~ Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI {22}
663  DF  .~.~ Acyclic {7}
666.~.~.~ Aldehyde or ketone containing

DEFINITION

Classification: 514/666

Aldehyde or ketone containing:

(under subclass 663) Subject matter wherein the compound contains an aldehyde or ketone group.