POLYVALENT POLYMERIC MATRIX FOR MODIFIED RELEASE SOLID ORAL PREPARATIONS AND METHOD OF PREPARATION THEREOF

摘要

A polymeric matrix for oral administration with modified release and taste masking properties is disclosed, obtained without using inert supports such as sugar spheres, comprising particles of active substance directly and individually covered with a release regulating membrane. Use of such a matrix to prepare various administration forms for oral use as well as the method of its preparation are also disclosed.