US PATENT SUBCLASS 512 / 20
.~.~ Benzene ring

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.~.~ Benzene ring {1}
21  DF  .~.~.~> Acyclic carbonyl containing

DEFINITION

Classification: 512/20

(under subclass 8) Compositions wherein the ring in the active ingredient is a benzene ring.