STABLE AND AQUEOUS CONCENTRATED PRESERVATIVE COMPOSITION OF DEHYDROACETIC ACID (DHA) AND METHYLISOTHIAZOLINONE (MIT)
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United States of America Patent
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Issued Date -
Oct 10, 2013
app pub date -
Nov 18, 2011
filing date -
Nov 19, 2010
priority date (Note) -
Abandoned
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Abstract
An aqueous, stable, highly-concentrated preservative composition comprising (i) about 5 to 50 wt % of a dehydroacetic acid (DHA) or a salt thereof; (ii) about 1 to 20 wt % of a 2-methyl-4-isothiazolin-3-one (MIT); (iii) about 0.1 to 10 wt % of at least one block copolymer; (iv) optionally, about 0.01 to 5.0 wt % of at least one sulfosuccinate surfactant; (v) optionally, about 0.01 to 5.0 wt % of at least one sequestering agent; and (vi) optionally, about 0.01 to 5.0 wt % of one or more additives. Also disclosed is a process for preparing said preservative composition.
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