A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/22 (2006.01) A61K 9/00 (2006.01) A61K 9/70 (2006.01) A61K 31/00 (2006.01) A61K 31/137 (2006.01) A61K 31/192 (2006.01) A61K 31/245 (2006.01) A61K 31/554 (2006.01) A61K 47/32 (2006.01) A61K 9/20 (2006.01)
Patent
CA 2503383
The present invention relates to a delivery system for pharmaceutical compositions relying in part on an ionic interaction to control and facilitate release of the treating agent. More specifically, the invention relates to an extended controlled-release system having an ionic treating agent and an ionic polymer, wherein the polymer is sufficiently ionized to release the treating agent in a controlled manner over an extended period of time and the composition does not require an emulsion system for administering the treating agent.
Cette invention a trait à un système de délivrance de compositions pharmaceutiques reposant en partie sur une interaction ionique et ce, afin de maîtriser et de faciliter la libération de l'agent traitant. Elle porte, plus précisément, sur un système à libération maîtrisée et prolongée contenant un agent traitant ionique et un polymère ionique. Le polymère est suffisamment ionisé pour libérer l'agent traitant de façon contrôlée sur un laps de temps prolongé. Il n'est pas nécessaire avec cette composition d'avoir recours à un système en émulsion pour administrer l'agent traitant.
Bologna William J.
Levine Howard L.
Columbia Laboratories (bermuda) Limited
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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