Electrostatic spraying of a cosmetic composition
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorsWamadeva Balachandran, Susan Michelle Kutay, Peng Miao, Richard Leslie Wright
Life of this patent
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Abstract
A personal product comprising a liquid cosmetic composition and a hand-held electrostatic spraying device suitable for applying the composition to the human body, said hand-held electrostatic spraying device comprising a slit nozzle having a maximum width of from 0.05 mm to 0.5 mm, means for containing the liquid cosmetic composition, means for supplying the liquid cosmetic composition to the nozzle, an electricity source, high voltage circuitry arranged so that, in use, liquid cosmetic composition sprayed in atomized form from the nozzle is electrically charged, and control means for selectively applying a high voltage.
Claims23
A personal product comprising a liquid cosmetic composition suitable for application to the human body and a hand-held electrostatic spraying device suitable for applying a liquid cosmetic composition to the human body, said hand-held electrostatic spraying device comprising a slit nozzle having a maximum width of from 0.05 mm to 0.5 mm, means for containing the liquid cosmetic composition, means for supplying the liquid cosmetic composition to the nozzle, an electricity source, high voltage circuitry arranged so that, in use, liquid cosmetic composition sprayed in atomised form from the nozzle is electrically charged, and control means for selectively applying a high voltage.
A personal product according to any of the preceding claims, further comprising an earthed ring electrode that surrounds the slit nozzle when viewed in the plane orthogonal to the general direction of movement of the liquid through the nozzle.
Dependencies are inferred from the claim text.