Patent
Preservatives and their use
TLDR
A preservative for compositions having an aqueous phase is defined in this paper as 5 to 60% by weight of an organic acid selected from the group consisting of benzoic acid, 4-hydroxybenzoic acids, salicylic acid and formic acid.Abstract:
A preservative, for compositions having an aqueous phase, comprising a) 5 to 60% by weight of an organic acid selected from the group consisting of benzoic acid, 4-hydroxybenzoic acid, salicylic acid, formic acid, acetic acid, propionic acid, sorbic acid, undecylenic acid and dehydracetic acid or their mixtures including their sodium, potassium, calcium, magnesium, ammonium and ethanolamine salts b) 10 to 95% by weight of alcohols of the general formulae I, II or III ##STR1## in which R 1 denotes hydrogen, an n-alkyl, iso-alkyl or alkoxy radical having 1 to 3 C atoms, and R 2 and R 3 denote hydrogen or a CH 3 -- or C 2 H 5 -- radical and n has the value of 3 or 4, and c) 0.1 to 20% by weight of one or more poly(hexa-methylenebiguanide) salts of the general formula ##STR2## in which Z represents hydrochloride, acetate, lactate, benzoate, propionate, 4-hydroxybenzoate, sorbate or salicylate; and n has the value of 4 to 6, in combination in a customary carrier or solvent.read more
Citations
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References
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Patent
Disinfecting and preserving systems and methods of use
TL;DR: A preserving solution comprising a microbicidal or fungicidally effective amount of a biguanide or water-soluble salt thereof, in combination with a buffer system, was described in this article.
Patent
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TL;DR: In this paper, aqueous disinfectants based on alcohol and hydrogen peroxide which contain one or more C 2 -C 8 alcohols, hydrogen perox or a compound which forms peroxide in aqueously phase, carboxylic acids, microbicidally active nitrogen-containing organic compounds, and optionally other active substances and/or auxiliaries typically present in disinfectants are defined.
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TL;DR: The process of, and compositions, articles and packages for, inactivating or destroying viruses with glutaric acid are disclosed in this paper, where the same authors also describe their own work.