Water-soluble films for releasing active substances

Details Water-soluble films for releasing active substances Water-soluble films for releasing active substances

A - Human Necessities

01

N

A01N 25/10 (2006.01) A01N 47/02 (2006.01) A01N 51/00 (2006.01) A01N 57/20 (2006.01) C05G 3/00 (2006.01) C05G 5/00 (2006.01) C11B 9/00 (2006.01)

Patent

CA 2556567

The invention relates to a water-soluble film for releasing active substances, particularly plant protection products and plant growth promoting substances. The water-soluble film can be defined with regard to its dimensions so that the content of the active substance can be exactly pre-dosed in such a defined film section. The release of the active substance or of the active substance combination from the water-soluble film ensues in a controlled manner by the action of water. The soil, standing and flowing water, surfaces of plants and other objects make up the environment.

L'invention concerne un film soluble dans l'eau permettant de libérer des principes actifs, notamment des agents phytosanitaires et des agents favorisant la croissance de plantes. Le film soluble dans l'eau peut être défini pour ce qui est de ses dimensions, de sorte que la teneur du principe actif puisse être prédosée de manière précise dans une section définie de film de ce type. La libération du principe actif ou de la combinaison de principes actifs, hors du film soluble dans l'eau, s'effectue de manière contrôlée, sous l'effet de l'eau. L'environnement correspondant regroupe les sols, des eaux stagnantes ou vives, des surfaces de plantes et d'autres objets.

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