Nanoparticles of polyoxyethylenated derivatives

Details Nanoparticles of polyoxyethylenated derivatives Nanoparticles of polyoxyethylenated derivatives

A - Human Necessities

61

K

A61K 9/51 (2006.01)

Patent

CA 2531111

The invention relates to nanoparticles of polyoxyethylenated derivatives, having a size of less than 1 micrometer, for the administration of pharmaceutically- or cosmetically-active ingredients. The inventive nanoparticles comprise a biodegradable polymer, a polyoxyethylene-derived block copolymer and at least one pharmaceutically- or cosmetically-active ingredient. The invention further relates to the method of obtaining the aforementioned nanoparticles and to compositions containing same.

L'invention concerne des nanoparticules de dérivés polyoxyéthylénés, d'une taille inférieure à 1 micron, destinée à l'administration d'ingrédients pharmaceutiquement ou cosmétiquement actifs, qui comprennent un polymère biodégradable, un copolymère bloc dérivé du polyoxyéthylène et au moins un ingrédient pharmaceutiquement ou cosmétiquement actif. L'invention concerne également un procédé de production desdites nanoparticules et des compositions contenant lesdites nanoparticules.

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