Stable aqueous suspension concentrate for delivery of UV-labile water-insoluble biocides
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United States of America Patent
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Jun 2, 2015
Grant Date -
Apr 7, 2011
app pub date -
Dec 13, 2010
filing date -
Mar 24, 2006
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Abstract
A stable, aqueous suspension concentrate which includes a solid polymeric dispersant comprising one or more anionic polymeric dispersing agents, optionally a co-dispersant which preferably is a homopolymer and/or a copolymer of a heterocyclic vinyl lactam, preferably in a wt. ratio of 0.1:1 to 1:0.1, a UV-labile, water-insoluble biocide active, and a UV-blocker or UV-absorber to stabilize said active upon storage and/or exposure to sunlight or UV radiation.
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