Synergistic Preservative Blends
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United States of America Patent
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Issued Date -
May 12, 2016
app pub date -
Jun 27, 2014
filing date -
Jun 28, 2013
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Abstract
A synergistic preservative composition comprises sorbic acid or a salt thereof, benzyl alcohol, and a mixture of (i) 1,2-propanediol and/or 1,3-propanediol, and (ii), 4-butanediol and/or 1,3-butanediol. The composition is particularly suited for the preservation of cosmetics and personal care products.
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