A coating composition for facilitating controlled release

Details A coating composition for facilitating controlled release A coating composition for facilitating controlled release

A - Human Necessities

61

K

A61K 9/14 (2006.01) A61K 9/20 (2006.01) A61K 9/28 (2006.01)

Patent

CA 2409721

The present invention relates to an extended release formulation comprising a coated drug containing core, wherein the coating is an aqueous coating, comprising an aqueous polymer dispersion of a water-insoluble film forming polymer in combination with an aqueous colloidal solution of a high viscosity swellable polymer.

La présente invention concerne une forme pharmaceutique à libération prolongée comprenant un noyau pelliculé contenant un médicament. La pellicule est une pellicule aqueuse renfermant une dispersion polymérique aqueuse d'un polymère de formation de pellicule insoluble dans l'eau en combinaison avec une solution colloïdale d'un polymère gonflable à viscosité élevée.

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