Patent ID: 8889184
Filing Date: 2014-11-18
Classification: A61K

Abstract:
1. A pharmaceutical composition for oral administration comprising at least one particle containing an active ingredient, said at least one particle comprising: a) a core which contains the active ingredient of the particle and, optionally, suitable adjuvants, and b) one or more coating layers applied to the core, such that either a single coating layer, when only one coating layer is present, or an outermost coating layer, when more than one coating layer is present, contains: wherein at least one of the polymers set forth in b)(i) and b)(ii) is an acidic polymer or the single coating layer or outermost coating layer includes an acidic compound, further wherein the weight ratio between the polymer set forth in b) (ii) and the polymer set forth in b) (i) ranges from 3:1 to 1:5.