Patent ID: 6274542
Filing Date: 2001-08-14
Classification: A01N,C07C

Abstract:
A process for the production of aqueous percarboxylic acid solutions by reaction of a peroxygen compound and a precursor of the percarboxylic acid in the presence of an acid catalyst wherein the peroxygen compound comprises hydrogen peroxide and the precursor comprises an aliphatic diester satisfying the general formula R.sup.1 --O--CO--R.sup.2 --CO--O--R.sup.3 wherein R.sup.1 and R.sup.3 each represents an alkyl group containing from 1 to 4 carbon atoms which may be the same or different and R.sup.2 represents an alkylene group which may be linear or branched containing from 2 to 6 carbon atoms and optionally unsaturated, and wherein the reaction mixture expressed in terms of its reactants comprises at least 3% diester.