LIQUID CONCENTRATE FOR THE PRESERVATION OF COSMETIC AND PHARMACEUTICAL PRODUCTS
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United States of America Patent
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app pub date -
Mar 17, 2008
filing date -
Aug 27, 2002
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Abandoned
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Abstract
The invention relates to a liquid concentrate for the preservation of cosmetic an pharmaceutical prod nets which comprises 3-iodo-2-propynyl butylcarbamate (IPBC), at least on liquid carrier selected from the group consisting of: polyvalent alcohols, glycol esters and glycol ethers, and at least one stabilizer selected from the group consisting of: formic acid, formic acid salts, and format esters, and comprising no additional carboxylic acid selected from the group consisting of: benzoic acid, propionic acid, salicylic acid, sorbic acid, 4-hydroxybenzoic acid, dehydroacetic acid and 10-undecylenic acid and a salt thereof being present.
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