Coated particles, methods of making and using

Details Coated particles, methods of making and using Coated particles, methods of making and using

B - Operations, Transporting

32

B

B32B 15/04 (2006.01) A01N 25/26 (2006.01) A01P 11/00 (2006.01) A61K 9/127 (2006.01) A61K 9/14 (2006.01) A61K 31/165 (2006.01) A61K 31/337 (2006.01) A61K 31/7088 (2006.01) A61K 38/00 (2006.01) A61P 9/12 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2488643

A particle coated with a nonlamellar material such as a nonlamellar crystalline material, a nonlamellar amorphous material, or a nonlamellar semi- crystalline material includes an internal matrix core having at least one a nanostructured liquid phase, or at least one nanostructured liquid crystalline phase or a combination of the two is used for the delivery of active agents such as pharmaceuticals, nutrients, pesticides, etc. The coated particle can be fabricated by a variety of different techniques where the exterior coating is a nonlamellar material such as a nonlamellar crystalline material, a nonlamellar amorphous material, or a nonlamellar semi-crystalline material.

L'invention concerne une particule enrobée d'un matériau non lamellaire, tel qu'un matériau cristallin non lamellaire, un matériau amorphe non lamellaire ou un matériau semi-cristallin non lamellaire; laquelle particule comprend un noyau matriciel interne présentant au moins une phase liquide nanostructurée, ou au moins une phase cristalline nanostructurée, ou encore, une combinaison de ces deux phases. Cette particule enrobée est utilisée pour administrer des principes actifs, tels que des produits pharmaceutiques, des nutriments, des pesticides, etc. La particule enrobée décrite dans cette invention peut être fabriquée selon plusieurs techniques différentes; l'enveloppe extérieure consistant en un matériau non lamellaire, tel qu'un matériau cristallin non lamellaire, un matériau amorphe non lamellaire, ou un matériau semi-cristallin non lamellaire.

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