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Spray Compositions

September 27, 2013

US Patent No. 8,518,384 B2; Conopco Inc., Englewood Cliffs, NJ, has patented spray compositions. The patent covers an anhydrous base composition suitable for incorporation in an anhydrous aerosol composition intended for discharge from an aerosol dispenser. The base composition is comprised of a particulate astringent antiperspirant salt; an anhydrous carrier fluid for said particulate salt; and a humectant.

The humectant comprises a low molecular weight polyethylene glycol that is liquid at 20°C. The low molecular weight polyethylene glycol being present in an amount of from 1-10% by weight of the base composition and the anhydrous carrier fluid being present in an amount of from 35-85% by weight of the base composition. If a water-miscible monohydric alcohol is present, it is present in an amount less than 3% by weight of the base composition. The polyethylene glycol has an average molecular weight of up to 520, and the base composition contains no more than 0.3% by volume of particles having a diameter of greater than 125 microns.
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