Active ingredient compositions for plant protection

A - Human Necessities – 01 – N

Patent

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Details

A01N 25/12 (2006.01) A01N 25/10 (2006.01) A01N 63/00 (2006.01) A01P 13/00 (2006.01) B01J 13/02 (2006.01)

Patent

CA 2683037

The present invention relates to novel active ingredient compositions for plant protection in the form of fine active ingredient-containing particles, comprising a) at least one active plant protection agent; b) at least one polymer P, which is not soluble in water, can be decomposed by enzymatic hydrolysis and is present in a quantity of at least 20% by weight, relative to the total amount of the components of the active ingredient-containing particles, and c) at least one hydrolase (EC 3), wherein at least 90% by weight of the active ingredient-containing particles of the active ingredient composition does not exceed a diameter of 500 µm (Dgo value), wherein the components a), b) and c) constitute at least 30% by weight of the active ingredient particles. The invention further relates to a method for the production thereof and to the use of the active ingredient compositions for the treatment of plants, soils and seed.

La présente invention concerne de nouvelles compositions de substances actives phytoprotectrices se présentant sous forme de particules fines contenant des substances actives. Ces compositions comprennent a) au moins une substance active phytoprotectrice, b) au moins 20% en poids, par rapport au poids total des composants des particules contenant les substances actives, d'un polymère P non hydrosoluble pouvant être décomposé par hydrolyse enzymatique, et c) au moins une hydrolase (EC 3). Au moins 90% en poids des particules contenant les substances actives de la composition de substances actives présentent un diamètre inférieur ou égal à 500 µm (valeur D90), et les composants a), b) et c) constituent au moins 30% en poids des particules de substances actives. Cette invention concerne également un procédé de fabrication, ainsi que l'utilisation de ces compositions de substances actives pour traiter des végétaux, des sols et des semences.

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