#$%^&*AU2008243202B220150820.pdf#####Abstract Controlled and/or delayed release oral pharmaceutical compositions containing Rifamicin SV in association with 5 one or more pharmacologically acceptable excipient(s), wherein the controlled and/or delayed release is given by a multi-matrix structure comprising: - a) an amphiphilic matrix in which the active ingredient is incorporated； 10 - b) a lipophilic matrix which is formed by substances having a melting point of less than 900 C and in which a) is dispersed； - c) a hydrophilic matrix, characterized in that the controlled and/or delayed 15 release of the active ingredient takes place in the large intestine. N, Melbourne Cases Patent 79000-79999 P79501.AU Speci P79501AU.GHSPECIl.doc 11/11/08
