Antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an alcohol compound, and cosmetic composition containing same
AssigneeL'oreal
InventorsSonia Eyraud, Isabelle Bossant, Julien Galvan
Life of this patent
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Abstract
The present invention concerns an antimicrobial mixture of i) 4-(3-ethoxy-4-hydroxyphenyl) butan-2-one and ii) 4-hydroxyacetophenone and their base salts, their solvates such as hydrates, and a cosmetic, pharmaceutical or food composition containing i) and ii). It is applicable to the care, make-up and cleansing of keratinous materials; to food preservation and to water treatment.
Claims26
A synergistic antimicrobial mixture comprising i) one or more of 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one, the organic or mineral acid or base salts thereof, or the solvates thereof, with ii) one or more of 4-hydroxyacetophenone, the acid or base salts thereof or the solvates thereof, wherein the weight ratio i)/ii) ranges from 0.05 to 5 and is such that the mixture results in synergistic antimicrobial activity due to the i) 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one, salt thereof, the organic or mineral acid or base salts thereof, or the solvates thereof and the ii) 4-hydroxyacetophenone, the acid or base salts thereof or the solvates thereof.
A composition comprising a synergistic antimicrobial mixture comprising i) one or more of 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one, the organic or mineral acid or base salts thereof, or the solvates thereof, with ii) one or more of 4-hydroxyacetophenone, the acid or base salts thereof or the solvates thereof in a weight ratio i)/ii) that ranges from 0.05 to 5, wherein the weight ratio i)/ii) is such that the mixture results in synergistic antimicrobial activity due to the i) 4-(3-ethoxy-4-hydroxyphenyl) butan-2-one, salt thereof, the organic or mineral acid or base salts thereof, or the solvates thereof and the ii) 4-hydroxyacetophenone, the acid or base salts thereof or the solvates thereof.
Dependencies are inferred from the claim text.