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US Patent 5352460 - Compositions of gastric acid-resistant microspheres containing salts of bile acids
US Patent Issued on October 4, 1994
Estimated Patent Expiration Date:
May 24, 2013Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
May 24, 2013Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractDisclosed are gastric acid-resistant polymer-coated ursodeoxycholate compositions, process for their preparations and methods of treating digestive disorders, impaired liver function, autoimmune diseases of the liver and biliary tract, prevention of colon cancer following cholecystectomy, cystic fibrosis, dissolving gallstones and regulating dietary cholesterol absorption by administering said compositions to a mammal in need of such treatment. | InventorAssigneeApplicationNo. 065780 filed on 05/24/1993US Classes:424/490, Coated (e.g., microcapsules)424/486, Synthetic polymer424/495Ethyl celluloseField of Search424/490, Coated (e.g., microcapsules)424/497, Containing solid synthetic polymers424/486, Synthetic polymer514/182, Oxygen single bonded to a ring carbon of the cyclopentanohydrophenanthrene ring system514/887Topical TreatmentExaminersPrimary: Kishore, G. S.Assistant: Benston, William E. Jr. US Patent References5260074Compositions of digestive enzymes and salts of bile acids and process for preparation thereofIssued on: 11/09/1993 Inventor: Sipos Foreign Patent References
International ClassA61K 009/16 |
