Process for producing magnesium salt of olefin sulfonic acid
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United States of America Patent
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-
Dec 9, 1980
Grant Date -
N/A
app pub date -
May 11, 1978
filing date -
May 31, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a process for producing the magnesium salt of an olefin sulfonic acid comprising the steps of: sulfonating and neutralizing an olefin having 10 to 20 carbon atoms, and; then, hydrolyzing sultone contained in the resulting neutralization product in the presence of, (a) magnesium hydroxide, magnesium oxide and a mixture thereof and (b) an additive selected from the group consisting of benzoic acid, citric acid, malic acid, phosphoric acid, polyphosphoric acid and water-soluble salts thereof, at a temperature within the range of from 110.degree. C. to 180.degree. C.
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