| 摘要 |
PROBLEM TO BE SOLVED: To provide a concentrate for corrosion proof of cosmetics and pharmaceutical products based on butyl carbamic acid 3-iodide-2-propynyl (IPBC). SOLUTION: The concentrate contains the IPBC and a liquid carrier selected from polyalcohols, glycol esters and glycol ethers and their mixtures, a stabilizer selected from formic acid, salts of formic acid and formic acid esters and their mixtures and not contains additional carboxylic acids selected from benzoic acid, propionic acid, salicylic acid, sorbic acid, 4-hydroxybenzoic acid, dehydroacetic acid, 10-undecylenic acid and their existence possible salts. COPYRIGHT: (C)2004,JPO
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