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Herbicidal Composition Comprising and Aminophosphate or Aminophosphonate Salt and a Betaine

a technology of aminophosphonate salt and composition, which is applied in the direction of biocide, detergent compounding agent, amphetamine/electroneutral surface active compound, etc., can solve the problem of causing unnecessary hazardous waste, loss of activity (bioefficacy), and/or bad repartition of actives on the field. problem, to achieve the effect of reducing the risk of contamination, and reducing the effect of toxicity

Inactive Publication Date: 2008-12-18
RHODIA CHIME
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The composition achieves stability and high bioefficacy without crystallization, allowing for higher glyphosate loads with improved handling and environmental safety, reducing the need for expensive desalination and minimizing ecotoxic surfactant use.

Problems solved by technology

These small particles can have the bad impact of filters clogging, nozzles clogging, creating unnecessary hazardous waste problems to dispose off the crystals, loss of activity (bioefficacy), and / or bad repartition of the active on the field.
However these compounds are believed to be rather ecotoxic, irritant or slightly biodegradable.
The surfactant is however expensive and there is a need for other solutions.
However desalination is expensive.

Method used

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  • Herbicidal Composition Comprising and Aminophosphate or Aminophosphonate Salt and a Betaine

Examples

Experimental program
Comparison scheme
Effect test

examples

[0106]The following ingredients are used:

Surfactant 1: surfactant composition of matter comprising the following:[0107]Alkyldimethylbetaine, wherein the alkyl is a mixture of about 70 weight % lauryl (C12) and of about 30 weight % tetradecyl (C14),[0108]Solids: about 41 weight %[0109]KCl: about 9 weight %

Surfactant 2: Mirataine D40, marketed by Rhodia

Surfactant 3: Terwet 3780 Tallow amine ethoxylate, Hunstman

Glyphosate: Glyphosate isopropylamine salt (46% of acid equivalent by weight)

[0110]The following compositions are prepared (C stands for comparative, ae stands for acid equivalent).

Example123C4CGlyphosate (ae)450 g / L510 g / L450 g / L450 g / LSurfactant 1120 g / L140 g / L(amount as is)Surfactant 2120 g / L(amount as is)Surfactant 3120 g / LpH4.5 as 7%4.5 as 7%4.5 as 7%solutionsolutionsolutionAspectNoNoSomeNot stablecrystalscrystalscrystals

This shows that the composition according to the invention have a surprising good stability, without crystals formation.

[0111]Meanwhile the compositions ac...

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Abstract

The present invention relates to herbicidal compositions comprising an aminophosphate or aminophosphonate salt, particularly to herbicidal compositions comprising a relatively high amount of aminophosphate or aminophosphonate salt and a betaine-based surfactant composition of mater.

Description

BACKGROUND OF THE INVENTION[0001]The present invention relates to herbicidal compositions comprising an aminophosphate or aminophosphonate salt, particularly to herbicidal compositions comprising a relatively high amount of aminophosphate or aminophosphonate salt and a betaine-based surfactant composition of matter.[0002]Among various presentations of compositions comprising glyphosate, concentrated liquid compositions that can be diluted by the end-user (typically a farmer) are of interest. Usually, the higher the glyphosate concentration is, the better it is, because the end-user can set the use concentration (the amount of active applied to the field) by adjusting the dilution rate, and can avoid handling much product (for example the higher the concentration is, the lower the weight is).[0003]Concentrated compositions can comprise a high amount of glyphosate, water, and at least one surfactant compound that can be useful as a formulation aid (dispersion, dissolution and / or stabi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A01N57/20
CPCA01N57/20C11D3/364C11D1/90A01N25/30A01N2300/00
Inventor GIOIA, PAUL
Owner RHODIA CHIME
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