Microbially-stable bismuth-containing liquid pharmaceutical suspensions
Patent 5013560 Issued on May 7, 1991. Estimated Expiration Date: 
March 17, 2009. Estimated 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.
March 17, 2009. Estimated 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.Patent References 3927205 Pharmaceutical compositions for barium opacification and method of preparing them Antacid material based on magnesium aluminum hydroxide and preparation thereof Antacid material based on magnesium aluminium hydroxide and the preparation thereof Pharmaceutical compositions Patent #: 4788180 InventorsAssigneeApplicationNo. 324927 filed on 03/17/1989US Classes:424/653, Bismuth514/503, Antimony or bismuth514/867, DIARRHEA514/872EMESIS (MOTION SICKNESS-NAUSEA)ExaminersPrimary: Page, Thurman K.Assistant: Azpuru, C. Attorney, Agent or FirmInternational ClassesA01N 059/16A01N 055/02 A61K 033/24 A61K 031/29 AbstractMicrobially-stable liquid pharmaceutical suspensions for oral administration comprising a bismuth-containing pharmaceutical agent, benzoic acid, sorbic acid, a suspension system and water, and wherein said compositions have a pH within the range of from about 3.0 to about 5.5. These compositions are efficacious, and have good aesthetics and good storage stability.Other References
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