Perfume Compositions Patents (Class 512)
- With preservative, stabilizer, or fixative (e.g., retarding evaporation) (Class 512/2)
- With specified extender (e.g., solely to increase volume) (Class 512/3)
- Nonliquid or encapsulated (Class 512/4)
- Animal or plant extract active ingredient (Class 512/5)
- Cyano containing active ingredient (Class 512/6)
- Boron, metal, or acyclic sulfur containing active ingredient (Class 512/7)
- Ring containing active ingredient (Class 512/8)
- Oxygen containing active ingredient (Class 512/25)
