Agrochemical formulations comprising co-polymers based on...

A - Human Necessities – 01 – N

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A01N 25/10 (2006.01)

Patent

CA 2669055

The present invention comprises the use of formulations comprising at least one pesticide and at least one co-polymer comprising (a) at least one comonomer (a) selected from the group consisting of olefins, vinlyethers, vinyl pyrrolidone and styrene; and (b) at least one comonomer (b) selected from the group consisting of ehtylenically unsaturated dicarboxylic mono and diesters, wherein the alcohol moiety of the mono- or diester has the structure of formula I wherein R1 is 1,2-propylene or 2,3 propylene R2 is ethylene; R3 is hydrogen, branched or linear C1-C40, preferably C1-C24 alkyl, phenyl, phenyl substituted with C1-C20 alkyl, benzyl, benzyl substituted with C1-C20 alkyl; n corresponds to a value from 0 to 140, preferably 0-50, more preferably 0-20. p corresponds to a value from 0 to 100 wherein the sum of n and p is at least 1, preferably 1 -60, most preferably 5-40. in polymerized form, for increasing the systemicity of pesticides, methods for treatment of seeds, methods of improving the health of plants and methods of combating harmful insects and/or phytopathogenic fungi based on the afore-mentioned formulations.

L'invention porte sur l'utilisation de préparations contenant au moins un pesticide et au moins un copolymère comprenant (a) au moins un comonomère (a) choisi dans le groupe comprenant les oléfines, les vinlyéthers, le vinyl pyrrolidone et le styrène; et (b) au moins un comonomère (b) choisi dans le groupe comprenant les mono et diesters dicarboxyliques insaturés en éthylène, la partie alcool du mono ou diester possédant la structure de la formule I, dans laquelle R1 représente 1,2-propylène ou 2,3 propylène; R2 représente éthylène; R3 représente hydrogène, alkyle C1-C40, de préférence C1-C24, ramifié ou linéaire, phényle, phényle substitué par un alkyle C1-C20, benzyle, benzyle substitué par un alkyle C1-C20; n correspond à une valeur comprise entre 0 et 140, de préférence entre 0-50, ou mieux encore entre 0-20; p correspond à une valeur de 0 à 100, la somme de n et p valant au moins 1, de préférence 1 -60, ou mieux encore de 5-40, sous forme polymérisée, pour augmenter la systémicité des pesticides, des procédés de traitement de semences, des procédés de renforcement de la santé des plantes et des procédés de lutte contre les insectes nuisibles et/ou les champignons phytopathogènes, reposant sur l'utilisation des préparations décrites ci-avant.

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