Air Liquide Sante (International)

Vink Chemicals Gmbh & Co Kg

Air Liquide Sante

Schuelke & Mayr

Gisela Hahn

Wolfgang Beilfuss

Klaus Weber

Ralf Gradke

Ralf Gradtke

Wolfgang Siegert

Microbicidal preparations containing a) at least one 1,2-benzisothiazolin-3-one or its derivatives; b) at least one 2-mercaptopyridine N-oxide, or its salts and derivatives; c) at least one aromatic alcohol; and d) at least one alkalinizing agent, or a preparation prepared by mixing components a) to d), and having a pH of at least 11, are provided. The microbicidal preparations are clear and storage-stable, and are suitable for use as preservatives.

Microbicidal preparations based on 1, 2-benzisothiazonlin-3-one with a content of aromatic alcohol

A liquid concentrate for preserving cosmetic products which includes a combination of carboxylic component being sodium benzoate and an alcohol component being a mixture of phenoxy ethanol and benzyl alcohol, in a water, where the combination is greater than 45% by weight of the liquid concentrate.

Liquid concentrate for preserving cosmetics

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.

A liquid concentrate for preserving cosmetic products includes 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-phenozyethanol, 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.

The invention relates to a liquid concentrate for the preservation of cosmetic and pharmaceutical products which comprises 3-iodo-2-propynyl butylcarbamate (IPBC), at least one 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 formate 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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Alveslohe, Germany

Gisela Hahn