Phosphate ester-based surfactant adjuvants and compositions...

A - Human Necessities – 01 – N

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A01N 25/30 (2006.01) A01N 25/32 (2006.01) A01N 57/20 (2006.01) A01P 13/00 (2006.01)

Patent

CA 2379402

Surfactants that further improve the bioefficacy of herbicides. The surfactants comprise (i) phosphate monoesters of tallow amine ethoxylates, alone or in combination with phosphate diesters of tallow amine ethoxylates, or (ii) alkoxylated phosphate monoesters of tallow amine ethoxylates, alone or in combination with alkoxylated phosphate diesters of tallow amine ethoxylates. The present invention also provides for herbicide compositions that contain the surfactants of the present invention. The herbicide compositions comprise a herbicidal active ingredient, a surfactant of the present invention, and optionally, one or more formulation aids. The herbicide compositions of the present invention are expected to have a reduced tendency to cause eye and skin irritation. The present invention additionally provides for a method of controlling unwanted weeds or vegetation using the herbicide compo- sitions of the present invention.

L'invention porte sur des tensioactifs qui améliorent également la bioefficacité des herbicides. Ces tensioactifs comprennent: (i) des monoesters de phosphate d'amine éthoxylates de suif, seuls ou en combinaison avec des diesters de phosphate d'amine éthoxylates de suif; ou (ii) des monoesters de phosphate alcoxylés d'amine éthoxylates de suif, seuls ou en combinaison avec des diesters de phosphate alcoxylés d'amine éthoxylates de suif. La présente invention porte également sur des compositions herbicides qui contiennent ces tensioactifs. Ces compositions herbicides comprennent un ingrédient actif herbicide, un tensioactif de l'invention et éventuellement un ou plusieurs supports de formulation. Les compositions herbicides s'avèrent n'avoir qu'une légère tendance à irriter les yeux et la peau. Cette invention porte également sur un procédé visant à éliminer les mauvaises herbes ou végétation non désirée à l'aide de ces compositions herbicides.

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