Patent ID: 8367101

Claim:
An extruded, injection molded capsule shell comprising a composition comprising: a copolymer of methyl acrylate, methyl methacrylate, and methacrylic acid, present in an amount ranging from about 42% to about 72% w/w, with a molar ratio of monomer units of 7:3:1 and a ratio of free carboxyl groups to ester groups of 1:10; Stearyl alcohol is present in an amount of about 12% w/w; a surfactant selected from the group consisting of sodium dodecyl sulphate and a block copolymer of ethylene oxide and propylene oxide present in an amount ranging from about 0.1% to about 5% w/w; a swellable solid present in an amount ranging from about 5% to about 70% w/w selected from the group consisting of, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, hydroxypropylmethyl cellulose phthalate, and combinations thereof; and a dissolution modifying excipient present in an amount ranging from about 5% to about 40% w/w selected from the group consisting of sodium starch glycollate, croscarmellose sodium, Lactose, and combinations thereof.