Fragrance compositions

Details Fragrance compositions Fragrance compositions

2003-04-24

2008-08-05

Alexander, Lyle A (Department: 1797)

Drug, bio-affecting and body treating compositions

Deodorants

Deodorizing substance is evaporable sublimable or gas

C512S001000, C510S101000

Reexamination Certificate

active

07407650

ABSTRACT:
The present invention relates to a composition comprising:(a) a fragrance oil wherein the fragrance oil comprises:(i) one or more perfume raw materials with a high odour impact which have an odour detection threshold of less than, or equal to about 50 parts per billion(ii) less than about 4%, by weight of the fragrance oil, of top note perfume raw materials where in the top note perfume raw materials have a boiling point of less 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; film formers; absorbents; cyclic oligosaccharides and mixtures thereof;wherein the perfume raw material and the entrapment material exist in an associated form on the substrate and wherein the weight ratio of high odour impact perfume raw materials which have an odour detection threshold of less than, or equal to, about 50 parts per billion to entrapment material within the associated form falls in the range of about 1:20 to about 20:1.

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