Nanoparticulate active substance formulations

Details Nanoparticulate active substance formulations Nanoparticulate active substance formulations

A - Human Necessities

01

N

A01N 25/04 (2006.01) A01N 25/30 (2006.01) A01N 47/24 (2006.01)

Patent

CA 2543553

The invention relates to nanoparticulate formulations containing at least one active substance or substance with a specific action and at least one statistical radical copolymer. The copolymers are composed of monomers that carry sulphonic acid groups and additional olefinically unsaturated compounds. The formulations can be dispersed in nanoparticulate form in an aqueous medium. The invention also relates to methods for producing the solid and liquid formulations and to the use of the latter.

La présente invention concerne des préparations nanoparticulaires qui contiennent au moins une substance active ou une substance à effet spécifique et au moins un copolymère radicalaire statistique. Les copolymères sont constitués de monomères portant des groupes d'acide sulfonique et d'autres composés oléfiniquement insaturés. Les préparations selon cette invention peuvent être dispersées en nanoparticules dans un milieu aqueux. La présente invention concerne également un procédé pour produire lesdites préparations solides et liquides, ainsi que leur utilisation.

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