Peroxygen compositions
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United States of America Patent
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-
Mar 27, 2001
Grant Date -
N/A
app pub date -
Feb 28, 1997
filing date -
Jun 16, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Storage stable, aqueous acidic solutions having a pH in the range of from 1 to 5 comprising at least one ester peracid having general formula ##STR1## where R represents an alkyl group having from 1 to 4 carbons and x equals 1 to 4, are provided. The solutions can be prepared by contacting an aqueous solution of a carboxylic compound having general formula ##STR2## where x is from 1 to 4 and R represents an alkyl group having from 1 to 4 carbons with an inorganic peroxygen compound, preferably hydrogen peroxide, at a pH of less than 4 until at least some ester peracid is produced, and thereafter adjusting the pH to be in the range of from 1 to 5, if necessary.
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