Patent ID: 7858119

Claim:
An extended release pharmaceutical active formulation comprising: a capsule, tablet, pellet, or bead comprising about 5-95% by weight pharmaceutical active and an aid selected from the group consisting of a pharmaceutical compression aid and a pharmaceutical extrusion aid and mixtures thereof, wherein said compression aid is selected from the group consisting of lactose, cellulose, dibasic calcium phosphate dihydrate, calcium sulfite dihydrate, tricalcium phosphate and compressible sugar; an encasement coat comprising one or more layers of a polymeric film encasing said capsule, tablet or pellet, said encasement coat being non-permeable, having no passage way and being soluble in a pH of above 5.0 and comprising about 5 up to 55% by weight polymer and about 0.5%-30% by weight plasticizer of polyethylene glycol, wherein said formulation provides over 12 hours of extended release of said active in the blood plasma.