Concentrated aqueous solution of glutaraldehyde and 1,2-benzisothiazolin-3-one
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United States of America Patent
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Apr 2, 1991
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N/A
app pub date -
Apr 20, 1989
filing date -
Apr 20, 1989
priority date (Note) -
Expired
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Abstract
Concentrated aqueous solutions of 1,2-benzisothiazolin-3-one are prepared by incorporating a buffering agent such that the pH of the solution is between about 3.0 and 7.0, and further adding a sufficient amount of glutaraldehyde such that a greater amount of such 1,2-benzisothiazolin-3-one is in solution than would be in solution if such glutaraldehyde were not present. Also disclosed is a synergistic biocidal composition comprising glutaraldehyde and 1,2-benzisothiazolin-3-one, as well as an aqueous-based industrial composition comprising such synergistic biocidal composition.
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