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Agricultural pesticide compositions
US9596846B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9596846-B2 |
| Application number | US-201213611880-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 12, 2012 |
| Priority date | Sep 12, 2011 |
| Publication date | Mar 21, 2017 |
| Grant date | Mar 21, 2017 |
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Abstract
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An aqueous pesticide compositions contain water, a pesticide, and at least one surfactant having a solubility in water of less than or equal to about 10 percent by weight, in an amount effective as a drift control agent, and a method for controlling spray drift of an aqueous pesticide composition includes the steps of incorporating in an aqueous end use pesticide composition, in an amount effective as a drift control agent, at least one surfactant having a solubility in water of less than or equal to about 10 percent by weight, and spray applying the aqueous end use pesticide composition to a target pest and/or to the environment of the target pest.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for controlling spray drift of an aqueous end use pesticide composition, comprising: incorporating in the aqueous end use pesticide composition comprising a pesticide, in an amount effective as a drift control agent, an aqueous surfactant composition, said surfactant composition comprising (i) water, at least 10 percent by weight of at least one surfactant having a solubility in water of less than 10 percent by weight, wherein the surfactant is selected from alkoxylated alcohol surfactants and alkoxylated sorbitan esters, and (ii) at least one hydrotrope selected from alkaryl sulfonate salts, wherein the hydrotrope is present in an amount effective to solubilize the at least one surfactant in the surfactant composition so that the water, surfactant, and hydrotrope form a homogeneous single phase solution at 25° C.; and spray applying the aqueous end use pesticide composition to a target pest and/or to the environment of the target pest, wherein the spray applied aqueous end use pesticide composition exhibits improved drift control compared to an analogous spray applied aqueous end use pesticide composition that lacks the at least one surfactant, and wherein the alkaryl sulfonate salt is selected from sodium xylene sulfonate or sodium toluene sulfonate. 2. A method for controlling spray drift of an aqueous end use pesticide composition, comprising: incorporating in the aqueous end use pesticide composition comprising a pesticide, in an amount effective as a drift control agent, an aqueous surfactant composition, said surfactant composition comprising (i) water, at least 10 percent by weight of at least one surfactant having a solubility in water of less than 10 percent by weight, wherein the surfactant is selected from alkoxylated alcohol surfactants and alkoxylated sorbitan esters, and (ii) at least one hydrotrope selected from alkaryl sulfonate salts, wherein the hydrotrope is present in an amount effective to solubilize the at least one surfactant in the surfactant composition so that the water, surfactant, and hydrotrope form a homogeneous single phase solution at 25° C.; and spray applying the aqueous end use pesticide composition to a target pest and/or to the environment of the target pest, wherein the spray applied aqueous end use pesticide composition exhibits improved drift control compared to an analogous spray applied aqueous end use pesticide composition that lacks the at least one surfactant, and wherein the alkaryl sulfonate salt is sodium xylene sulfonate.
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- What does patent US9596846B2 cover?
- An aqueous pesticide compositions contain water, a pesticide, and at least one surfactant having a solubility in water of less than or equal to about 10 percent by weight, in an amount effective as a drift control agent, and a method for controlling spray drift of an aqueous pesticide composition includes the steps of incorporating in an aqueous end use pesticide composition, in an amount effec…
- Who is the assignee on this patent?
- Goyal Rajesh, Shanmuga Krish Murthy, Rhodia Operations
- What technology area does this patent fall under?
- Primary CPC classification A01N25/30. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Mar 21 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).