Controlled release ceramic particles, compositions thereof,...

A - Human Necessities – 61 – K

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A61K 9/22 (2006.01) A61K 9/16 (2006.01) A61K 9/51 (2006.01) C01B 33/16 (2006.01)

Patent

CA 2399279

Controlled release ceramic particles, processes for their preparation, controlled release ceramic particles prepared by such processes, compositions comprising such controlled release ceramic particles and methods of using controlled release ceramic particles are described. In one form each of the controlled release ceramic particles has an active material(s) substantially homogeneously dispersed throughout the particles, wherein the active material(s) is capable of being released from said particles, and the active material(s) in said particles is substantially protected from degradation until release of the active material(s) from the particles.

L'invention concerne des particules de céramique à libération lente, des procédés de préparation correspondants, des particules de céramique à libération lente préparées par ces procédés, des compositions contenant ces particules de céramique à libération lente et des procédés d'utilisation de ces particules de céramique à libération lente. Dans un aspect, chaque particule de céramique à libération lente comprend une ou plusieurs matières actives dispersées de manière sensiblement homogène dans les particules, ces matières actives pouvant être libérées de ces particules. Les matières actives comprises dans ces particules sont sensiblement protégées contre toute dégradation jusqu'à ce que les matières actives soient libérées de particules.

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