The present invention relates to a tablet composed of a core and a coating; said core is formed by two or more layers, wherein at least one of them contains an active agent (3). Wherein one of said layers is formulated as a swellable composition (2), the other one (4) is composed of inert compounds retaining its size at least until the coated tablet is emptied from the stomach. The coating composition is selected from the group comprising water insoluble polymers, ph dependent polymers or mixtures thereof. The active agent is released after rupture of the coating.
申请公布号
WO2007072495(A3)
申请公布日期
2007.09.20
申请号
WO2006IN00441
申请日期
2006.11.03
申请人
SUN PHARMACEUTICAL INDUSTRIES LIMITED;DHARMADHIKARI, NITIN, BHALACHANDRA;ZALA, YASHORAJ, RUPSINH