|Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP|
|You are viewing a USPC Schedule.|
|Class 512||PERFUME COMPOSITIONS|
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|2||With preservative, stabilizer, or fixative (e.g., retarding evaporation)|
|3||With specified extender (e.g., solely to increase volume)|
|4||Nonliquid or encapsulated|
|5||Animal or plant extract active ingredient|
|6||Cyano containing active ingredient|
|7||Boron, metal, or acyclic sulfur containing active ingredient|
|8||Ring containing active ingredient|
|10||Nitrogen in the ring|
|11||Chalcogen in the ring|
|12||Plural chalcogens in the ring|
|13||Polycyclo ring system having the chalcogen containing ring as one of the cyclos|
|14||Polycyclo carbocyclic ring system|
|15||Oxygen double bonded directly to the ring system|
|16||Carbonyl bonded directly to the ring system|
|18||Carbonyl attached indirectly to the ring system by nonionic bonding|
|19||Oxygen single bonded directly to the ring system|
|22||Six-membered alicyclic ring|
|25||Oxygen containing active ingredient|
|FOREIGN ART COLLECTIONS|
|FOR000||CLASS-RELATED FOREIGN DOCUMENTS|
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