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US 5,458,872 AGranted
Method for the protection of dihydroxyacetone, a dihydroxyacetone protected by this method, and a cosmetic product containing such a protected dihydroxyacetone
OwnerMuriel Durandinventor
Life of this patent
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Abstract
A method for protecting and stabilizing dihydroxyacetone (DHA) is described. The method is characterized in that at least a part of the dihydroxyacetone is enclosed in dimer form in a watertight composition which releases the dihydroxyacetone when applied. The protected and stabilized DHA composition has application in the cosmetics industry.
Claims16
Method for the protection and stabilization of dihydroxyacetone (DHA), comprising encapsulating particles of dihydroxyacetone in a watertight composition comprising at least one water-insoluble polymer, at least a portion of the encapsulated dihydroxyacetone being in the dimer form.
Dependencies are inferred from the claim text.