US PATENT SUBCLASS 512 / 21
.~.~.~ Acyclic carbonyl containing

Current as of: June, 1999
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512 /   HD   PERFUME COMPOSITIONS

1  DF  PERFUME COMPOSITIONS {8}
8  DF  .~ Ring containing active ingredient {6}
20  DF  .~.~ Benzene ring {1}
21.~.~.~ Acyclic carbonyl containing

DEFINITION

Classification: 512/21

(under subclass 20) Compositions wherein contain carbonyl that is not part of a ring.