Stable aqueous pyrethroid insecticidal formulations for containment in polyvinyl chloride containers
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United States of America Patent
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May 8, 1990
Issued Date -
N/A
app pub date -
May 4, 1989
filing date -
Aug 19, 1985
priority date (Note) -
Expired
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Abstract
The addition of nonionic surfactants to aqueous pyrethroid insecticidal formulations increases the pyrethroid stability when the formulation is stored in a polyvinylchloride (PVC) container. The pyrethroids can be synthetic or naturally occurring pyrethroids. The nonionic surfactants are alkylphenol ethoxylates, ethoxylated primary alcohols, polyoxyethylene thioethers or mixtures thereof and have HLB values of between about 10 and about 14.
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