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US 8,349,251 B2Granted
Methods, devices, compositions, and systems for improved scent delivery
AssigneeThe Procter & Gamble Company
InventorsRicky Ah-Man Woo, Mario Alonso, John Philip Hecht, Steven Reece, Frank Andrej Kvietok, Eileen Marie St. Pierre, Zaiyou Liu, Christine Marie Readnour, Carl Eric Kaiser, Susan Eleanor Baillely, Sion Agami
Life of this patent
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Abstract
Systems, devices, methods, and compositions that improve the scent perception for a user. Improved scent perception is achieved by presenting alternating scents and by varying levels of output of scents, as well as by minimizing device clogging, thereby improving evaporation profiles.
Claims18
A method of emitting a perfume from a heated-wick device comprising the steps:
- a) providing said heated-wick device comprising a first perfume composition in fluid communication with a first wick and a second perfume composition in fluid communication with a second wick;
- b) applying heat to said first wick;
- c) reducing the heat to said first wick;
- d) maintaining reduced heat to said first wick for about 20 minutes to about 24 hours;
- e) applying heat to said second wick;
- f) reducing the heat to said second wick;
- and
- g) maintaining reduced heat to said second wick for about 20 minutes to about 24 hours.
5 more elements
Dependencies are inferred from the claim text.