Microemulsions

Details Microemulsions Microemulsions

A - Human Necessities

01

N

A01N 25/04 (2006.01)

Patent

CA 2300858

The invention relates to a liquid active agent concentrate in the form of a transparent oil-in water microemulsion with a droplet size essentially between 10 and 100 nm. Said microemulsion contains alkyl(oligo)glycosides of formula (I) R-O-[z]x, wherein R represents an alkyl radical with 8 to 22 C-atoms, Z represents a sugar radical with 5 or 6 C-atoms and x is a whole number between 1 and 10 as emulsifiers, and optionally other auxiliary substances and additives. The invention is characterised in that the oil phase contains a water insoluble agrochemical active agent and optionally, an organic water insoluble solvent.

Concentrat de constituant actif liquide sous forme d'une microémulsion du type huile dans l'eau, transparente, de grosseur de gouttelettes sensiblement comprise entre 10 et 100 nm, renfermant comme émulsifiants des alkyl(oligo)glycosides de formule générale (I) R-O-[z]¿x? dans laquelle R désigne un reste alkyle de 8 à 22 atomes de C, Z désigne un reste hydrate de carbone à 5 ou 6 atomes de C et x est un nombre compris entre 1 et 10 et, éventuellement, d'autres substances auxiliaires et adjuvants, caractérisé en ce que la phase huileuse contient un constituant actif agrochimique insoluble dans l'eau et, éventuellement, un solvant organique insoluble dans l'eau.

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