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US 11,639,484 B2Granted
Perfume compositions
AssigneeGivaudan SA
InventorsAlain Alchenberger, Christian Quellet
Life of this patent
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Abstract
Perfume compositions having controlled spatio-temporal olfactory profiles are described. The disclosure also relates also to a method of measuring said spatial-temporal olfactory profiles of said compositions.
Claims12
A method of evaluating the spatio-temporal attributes of a perfume composition, said method comprising the steps of:
- generating a directional air flow in which a perfume composition source is placed;
- entraining the perfume composition in said air flow to provide a scented plume in which the composition is substantially confined;
- and
- directing the scented plume along a channel towards an aperture in said channel at a defined distance from the source, at which aperture said scented plume can be smelled and evaluated,
- wherein the top of the channel is open to enable an evaluator to evaluate the scented plume at different distances along the channel, and wherein the evaluation is performed at a distance greater than 0.5 meters.
2 more elements
Dependencies are inferred from the claim text.