Liquid concentrate for preserving cosmetics
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United States of America Patent
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Jun 12, 2012
Grant Date -
May 14, 2009
app pub date -
Jan 13, 2009
filing date -
May 10, 1999
priority date (Note) -
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Abstract
The invention relates to a liquid concentrate for preserving cosmetic products which comprises a combination of carboxylic acid salts chosen from the salts of benzoic acid, propionic acid, salicylic acid, sorbic acid, 4-hydroxybenzoic acid, dehydracetic acid, formic acid or 10-undecylenic acid and alcohols chosen from 2-phenoxyethanol, benzyl alcohol, phenethyl alcohol, 1-phenoxypropan-2-ol, 3-(4-chlorophenoxy)-1,2-propanediol, chlorobutanol or 2,4-dichlorobenzyl alcohol in a solvent, where the active ingredient content is greater than 45% by weight.
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