US Patent Class 512
PERFUME COMPOSITIONS




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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  PERFUME COMPOSITIONS
2  DF  .~ With preservative, stabilizer, or fixative (e.g., retarding evaporation)
3  DF  .~ With specified extender (e.g., solely to increase volume)
4  DF  .~ Nonliquid or encapsulated
5  DF  .~ Animal or plant extract active ingredient
6  DF  .~ Cyano containing active ingredient
7  DF  .~ Boron, metal, or acyclic sulfur containing active ingredient
8  DF  .~ Ring containing active ingredient
9  DF  .~.~ Spiro
10  DF  .~.~ Nitrogen in the ring
11  DF  .~.~ Chalcogen in the ring
12  DF  .~.~.~ Plural chalcogens in the ring
13  DF  .~.~.~ Polycyclo ring system having the chalcogen containing ring as one of the cyclos
14  DF  .~.~ Polycyclo carbocyclic ring system
15  DF  .~.~.~ Oxygen double bonded directly to the ring system
16  DF  .~.~.~ Carbonyl bonded directly to the ring system
17  DF  .~.~.~.~ The ring system is bicyclo
18  DF  .~.~.~ Carbonyl attached indirectly to the ring system by nonionic bonding
19  DF  .~.~.~ Oxygen single bonded directly to the ring system
20  DF  .~.~ Benzene ring
21  DF  .~.~.~ Acyclic carbonyl containing
22  DF  .~.~ Six-membered alicyclic ring
23  DF  .~.~.~ Oxygen bonded directly to the ring
24  DF  .~.~.~ Carbonyl bonded directly to the ring
25  DF  .~ Oxygen containing active ingredient
26  DF  .~.~ The oxygen is part of a carbonyl group
27  DF  .~.~.~ The carbonyl is part of an aldehyde or ketone group