COMPOSITION

摘要

A press coated tablet for delayed release of an active ingredient comprising: (a) a core comprising one or more active ingredients, and;(b) an erodible delayed release barrier surrounding the core and comprising a wax and two or more grades of L-HPC, wherein the wax and L-HPC are provided in a weight ratio of wax to L-HPC of from 30%:70% to 70%:30%. The invention also relates to a method of making the press coated tablet.