Glyphosate salt herbicidal composition

A - Human Necessities – 01 – N

Patent

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Details

A01N 57/20 (2006.01) A01N 43/70 (2006.01) A01N 47/30 (2006.01) A01P 13/00 (2006.01)

Patent

CA 2576166

A herbicidal composition comprises in aqueous solution a mixture of salts of glyphosate at a total glyphosate a.e. concentration not less than about 360 g/l, wherein (a) said glyphosate is in anionic form accompanied by low molecular weight non-amphiphilic cations in a total molar amount of about 100% to about 120% of the molar amount of said glyphosate; (b) said cations comprise potassium and propylammonium (e.g., isopropylammonium) cations in a mole ratio of about 70:30 to about 90:10; and (c) said potassium and propylammonium cations together constitute about 90 to 100 molar percent of all of said low molecular weight non-amphiphilic cations in the composition.

L'invention concerne une composition herbicide, qui contient une solution aqueuse d'un mélange de sels de glyphosate, selon une concentration a.e. totale du glyphosate d'au moins environ 360 g/l. Dans ladite composition: a) le glyphosate se présente sous la forme d'anions accompagnés de cations non-amphiphiles de bas poids moléculaire, selon une quantité molaire totale d'environ 100 à 120 % de la quantité molaire du glyphosate; (b) lesdits cations comprennent des cations de potassium et de propylammonium (p. ex. isopropylammonium) selon un rapport molaire d'environ 70:30 à 90:10; et c) lesdits cations de potassium et de propylammonium constituent ensemble un pourcentage molaire d'environ 90 à 100 % relativement aux cations non-amphiphiles de bas poids moléculaire présents dans la composition.

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