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US 2003/0198680 A1Published application
Multi component moisture triggered controlled release system that imparts long lasting cooling sensation on the target site and/or provides high impact fragrance or flavor burst
AssigneeSalvona LLC
InventorsAdi Shefer, Samuel David Shefer
Life of this patent
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Abstract
The present invention relates to cosmetic formulations comprising a multi component controlled release system that imparts long lasting cooling sensation and/or provides high odor or flavor intensity (i.e., high impact fragrance or flavor burst) in response to moisture. The controlled delivery system of the present invention is substantially free-flowing powder formed of solid hydrophobic nano-spheres that are encapsulated in a moisture sensitive micro-spheres.
Claims43
A controlled release composition comprising:
- a plurality of solid nano-spheres, said solid nano-spheres are formed of a hydrophobic material each of said solid nano-spheres comprising a first active agent, said first active agent comprises a cooling agent, said plurality of nano-spheres being encapsulated in a moisture sensitive micro-sphere, and said moisture sensitive micro-sphere is formed of a moisture sensitive matrix material.
A controlled release composition comprising:
- a plurality of solid nano-spheres, said solid nano-spheres are formed of a hydrophobic material each of said solid nano-spheres comprising a first active agent, said first active agent comprises a cooling agent.
Dependencies are inferred from the claim text.