A unit dose sustained-release oral dosage form containing a plurality of melt-extruded particles, each consisting essentially of a therapeutically active agent, one or more retardants, and an optional water-insoluble binder is disclosed. The particles have a length of from about 0.1 to about 12 mm and...http://www.google.com.au/patents/US5965161?utm_source=gb-gplus-sharePatent US5965161 - Extruded multi-particulates
