Process for stabilizing solutions of peroxidic compounds used for bleaching
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United States of America Patent
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Dec 14, 1982
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N/A
app pub date -
Sep 4, 1980
filing date -
Feb 25, 1976
priority date (Note) -
Expired
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Abstract
Process for stabilizing solutions of peroxidic compounds used for bleaching. At least one polymer derived from an alpha-hydroxyacrylic acid, which contains units of the formula ##STR1## where R.sub.1 and R.sub.2 represent hydrogen or an alkyl group comprising from 1 to 3 carbon atoms which can be substituted by a hydroxyl group or a halogen atom, R.sub.1 and R.sub.2 being identical or different, and where M represents an alkali metal atom, a hydrogen atom or an ammonium group, is added to the solution as a stabilizer.
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