Particles for delivery of active ingredients, process of...

B - Operations – Transporting – 82 – B

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Details

B82B 3/00 (2006.01) A61K 9/00 (2006.01) A61K 9/51 (2006.01) A61K 47/30 (2006.01)

Patent

CA 2657829

The present invention discloses compositions having particles comprising, inorganic element; one or more active ingredient and optionally a release rate modulating agent, suitable for the delivery of active ingredients to human and animal tissues. The particles are nanoparticles or microparticles or mixtures thereof, made preferably by sol-gel method. The compositions are useful for application to the topical or mucosal surfaces preferably in the form of creams, gels, lotions, dry powders, spray, foam and other suitable forms.

La présente invention concerne des compositions ayant des particules comprenant un élément inorganique ; une ou plusieurs substances actives et éventuellement un agent modulant la vitesse d'administration, approprié pour l'administration de substances actives à des tissus humains et animaux. Les particules sont des nanoparticules ou des microparticules ou leurs mélanges, préparées de préférence au moyen d'un procédé sol-gel. Les compositions sont utiles pour une application sur les surfaces topiques ou muqueuses de préférence sous forme de crèmes, de gels, de lotions, de poudres sèches, de pulvérisation, de mousse et d'autres formes appropriées.

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