US PATENT SUBCLASS 512 / 8
.~ Ring containing active ingredient

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

1  DF  PERFUME COMPOSITIONS {8}
8.~ Ring containing active ingredient {6}
9  DF  .~.~> Spiro
10  DF  .~.~> Nitrogen in the ring
11  DF  .~.~> Chalcogen in the ring {2}
14  DF  .~.~> Polycyclo carbocyclic ring system {4}
20  DF  .~.~> Benzene ring {1}
22  DF  .~.~> Six-membered alicyclic ring {2}

DEFINITION

Classification: 512/8

(under subclass 1) Compositions wherein the active ingredient includes a ring, e.g., a cyclopentane ring.