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US 4,917,815 AGranted
Stable aqueous aromatic percarboxylic acid solution
AssigneeSterling Drug Inc.
InventorsWolfgang Beilfuss, Karl-Heinz Diehl
Life of this patent
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Abstract
Aqueous solutions of aromatic percarboxylic acids, such as perbenzoic acids, stabilized with at least an equal amount in parts by weight as the amount of aromatic percarboxylic acid of the corresponding aromatic carboxylic acid and an aqueous solution of perglutaric acid stabilized with hydrogen peroxide and/or a 10% to 60% aqueous solution of hydrogen peroxide.
Claims7
A stabilized aqueous disinfecting and bleaching solution comprising an aromatic percarboxylic acid, a stabilizer for the aromatic percarboxylic acid and water, in which the stabilizer comprises:
- an aromatic carboxylic acid corresponding to the aromatic percarboxylic acid and in an amount at least about equal in parts by weight to the aromatic percarboxylic acid;
- and at least one of
- (i) an aqueous solution of perglutaric acid stabilized with an excess of hydrogen peroxide;
- or
- (ii) a 10% to 60% aqueous solution of hydrogen peroxide.
2 more elements
Dependencies are inferred from the claim text.