Patent ID: 7838026

Claim:
A delayed burst release dosage form comprising a compressed core in the form of a tablet or capsule and an overcoated shell portion, said overcoated shell portion surrounding said core, wherein said overcoated shell portion comprises a composition comprising 40 to 95 weight percent of a high molecular weight water soluble polymer having a weight average molecular weight from about 140,000 to about 1,150,000 and a cloud point from about 20 to about 90° C., 5 to 25 weight percent carrageenan, and 0.5 to 5 weight percent gellan gum, wherein said core comprises a pharmaceutical active ingredient selected from analgesics, anti-inflammatory agents, antiarthritics, anesthetics, antihistamines, antitussives, antibiotics, anti-infective agents, antivirals, anticoagulants, antidepressants, antidiabetic agents, antiemetics, antiflatulents, antifungals, antispasmodics, appetite suppressants, bronchodilators, cardiovascular agents, central nervous system agents, central nervous system stimulants, decongestants, oral contraceptives, diuretics, expectorants, gastrointestinal agents, migraine preparations, motion sickness products, mucolytics, muscle relaxants, osteoporosis preparations, polydimethylsiloxanes, respiratory agents, sleep-aids, urinary tract agents and mixtures thereof, wherein said overcoated shell portion provides for a delayed release of the active ingredient from the dosage form such that release of the pharmaceutical active ingredient is delayed for a predetermined time after ingestion and wherein after said predetermined time said pharmaceutical active ingredient is promptly released.