Patent ID: 7431943

Claim:
A controlled release tablet or mini-tablet composition, consisting essentially of: a hydrophilic first matrix comprising a lipophilic phase and an amphiphilic phase, wherein said lipophilic phase and said amphiphilic phase are in a second matrix together, and said second matrix is dispersed throughout the hydrophilic first matrix, wherein said hydrophilic first matrix consists of compounds selected from the group consisting of acrylic or methacrylic acid polymers, acrylic copolymers, methacrylic copolymers, alkyl vinyl polymers, hydroxyalkylcellulose, carboxyalkylcellulose, polysaccharides, dextrins, pectines, starches, starch derivatives, alginic acid, natural gums, synthetic gums, and poylyalcohols, wherein said lipophilic phase is in a granular form and consists of compounds with a melting point between 40 and 90° C. and an active ingredient at least partially incorporated in said lipophilic phase, wherein said amphiphilic phase comprises an active ingredient at least partially incorporated in said amphiphilic phase.