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US 5,635,194 AGranted
Detergent range ethoxylated alcohols to control black flies
AssigneeShell Oil Company
InventorsPhilip B. Dorn, John H. Rodgers, Jr.
Life of this patent
Estimating the term…
Abstract
Populations of black flies can be controlled by introducing an effective amount of water soluble detergent range ethoxylated alcohols into the aquatic habitats where black fly larvae are found.
Claims10
A process for controlling the population of black flies (Simulidae) which process consists essentially of introducing into an aquatic habitat containing black fly larvae an effective amount sufficient to prevent the larvae from entering pupation and maturing of a water-soluble ethoxylated surfactant of the formula I:
- R--O--(CH.sub.2 --CH.sub.2 O).sub.x --H (I)
- wherein R is a linear alkyl group of from 8 to 18 carbon atoms, x has an average value from about 4 to about 10 and the amount of water-soluble ethoxylated surfactant is less than about 200 ppb in the aquatic habitat.
Dependencies are inferred from the claim text.