Herbicidal compositions and surfactant concentrates

Details Herbicidal compositions and surfactant concentrates Herbicidal compositions and surfactant concentrates

A - Human Necessities

01

N

A01N 57/20 (2006.01) A01N 25/30 (2006.01) A01N 57/00 (2006.01) C11D 1/06 (2006.01) C11D 1/94 (2006.01) C11D 3/43 (2006.01)

Patent

CA 2369572

A herbicidal solution contains from 30 % by weight to saturation of a water soluble glyphosate salt and from 8 to 20 % by weight of surfactant comprising from 10 to 100 % by weight based on the total weight of surfactant of an amphoteric surfactant and from 0 to 90 % by weight based on the total weight of surfactant of ether carboxylate, said solution containing less than 0.035 % by weight of sodium ion. A pre-blended surfactant concentrate contains from 10 to 70 % by weight ether carboxylate, from 20 to 80 % by weight of low salt amphoteric surfactant and from 10 to 50 % by weight of solvent.

La présente invention concerne une solution herbicide contenant une proportion de 30 % en poids jusqu'à saturation d'un sel de glyphosate hydrosoluble, et entre 8 et 20 % en poids d'un tensioactif comprenant entre 10 et 100 % en poids d'un tensioactif amphotère, sur la base du poids total du tensioactif, et entre 0 et 90 % en poids de carboxylate d'éther, sur la base du poids total du tensioactif; cette solution contenant moins de 0,035 % en poids d'ion sodium. Par ailleurs, cette invention concerne un concentré de tensioactif prémélangé contenant entre 10 et 70 % en poids de carboxylate d'éther, entre 20 et 80 % de tensioactif amphotère à faible teneur en sel, et entre 10 et 50 % en poids de solvant.

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