Nanoparticles of chitosan and polyethyleneglycol as a system...

Details Nanoparticles of chitosan and polyethyleneglycol as a system... Nanoparticles of chitosan and polyethyleneglycol as a system...

A - Human Necessities

61

K

A61K 9/51 (2006.01) A61K 9/16 (2006.01) A61K 47/30 (2006.01) C08B 37/08 (2006.01) C08G 63/91 (2006.01)

Patent

CA 2602031

The invention relates to nanoparticulate systems for the release of biologically-active molecules comprising chitosan polymer or the derivatives thereof, modified chemically with polyethyleneglycol and cross-linked with a cross-linking agent. Said systems are particularly suitable for pharmaceutical compositions, vaccines and cosmetic formulations.

L'invention concerne des systèmes nanoparticulaires pour la libération de molécules actives sur le plan biologique constituées par le polymère chitosane ou ses dérivés, chimiquement modifié par du polyéthylèneglycol, et réticulé à l'aide d'un agent de réticulation. Ces systèmes sont particulièrement utiles pour des compositions pharmaceutiques, des vaccins et des formulations cosmétiques.

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