Compressed and formed alkaline component suitable for use in buffered aspirin product
Patent 4664915 Issued on May 12, 1987. Estimated Expiration Date: 
February 21, 2006. 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.
February 21, 2006. 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 3495001 3518343 3887700 Capsule product containing high dosage of aspirin in powder or granulated form and alkaline tablet or pellet comprising magnesium carbonate, calcium carbonate and a magnesium dry component Patent #: 4339428 InventorAssigneeApplicationNo. 06/833424 filed on 02/21/1986US Classes:424/606, Sodium containing or fluorine containing424/44, Gas produced in situ by chemical reaction424/686, Carbonate or bicarbonate424/687, Calcium carbonate424/692, Magnesium hydroxide or oxide514/163, With carboxylic acid, ester or metal salt thereof514/164With organic oxygen containing compoundExaminersPrimary: Friedman, Stanley J.Attorney, Agent or FirmInternational ClassesA61K 33/10 (20060101)A61K 33/06 (20060101) A61K 31/60 (20060101) A61K 9/24 (20060101) A61K 47/02 (20060101) AbstractA compressed and formed alkaline component suitable for use in a buffered aspirin product. The alkaline component is made of alkaline materials selected from the group consisting of calcium carbonate, magnesium carbonate, magnesium oxide, magnesium hydroxide and mixtures thereof and having incorporated therein citric acid and monobasic sodium phosphate.Other References
Field of SearchGas produced in situ by chemical reaction | |
