Fragrance compositions

Details Fragrance compositions Fragrance compositions

2007-04-24

2007-04-24

Cole, Monique T. (Department: 1743)

Perfume compositions

Perfume compositions

C510S101000, C424S076400

Reexamination Certificate

active

10300404

ABSTRACT:
A composition comprising:(a) a fragrance oil comprising:(i) top note perfume raw material, or mixture of perfume raw materials, with a boiling point of less than, or equal to, about 250° C. at 1 atmosphere pressure;(ii) middle or base note perfume raw material, or mixture of perfume raw materials, with a boiling point of greater than 250° C. at 1 atmosphere pressure;(b) an entrapment material which is selected from the group consisting of polymers; capsules, microcapsules and nanocapsules; liposomes; pro-perfumes selected from more than 1 type of pro-chemistry; film formers; absorbents; cyclic oligosaccharides and mixtures thereof;(c) greater than 50% volatile solvent;wherein the weight ratio of the top note perfume raw materials to middle or base note perfume raw materials within the fragrance oil is in the range from about 1:20 to about 20:1.The present invention provides compositions wherein the light, fresh, fruity, citrus, green or delicate floral top note fragrance character remains detectable for greater than about 2 hours, preferably greater than about 4 hours, more preferably greater than about 6 hours, after the composition has been applied to the substrate.

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