Effervescent stannous fluoride tablet
Patent 4267164 Issued on May 12, 1981. Estimated Expiration Date: 
January 31, 2000. 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.
January 31, 2000. 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 3282792 3518343 Oral compositions for caries prophylaxis Anticariogenic maloaluminate complexes Alkaline oral compositions comprising aluminum and a carboxylic acid Oral compositions Patent #: 4183916 InventorsAssigneeApplicationNo. 06/117124 filed on 01/31/1980US Classes:424/44, Gas produced in situ by chemical reaction424/52, Fluorine or fluorine compound containing424/650, Tin, gallium, germanium, indium, or tellurium424/715, Carbonate424/717BicarbonateExaminersPrimary: Rose, Shep K.Attorney, Agent or FirmInternational ClassA61K 9/46 (20060101)AbstractAn effervescent tablet is produced by preparing a powdered tabletable composition containing stannous fluoride and malic acid and an alkali metal bicarbonate in a weight ratio of about 3:2 as the effervescent couple.Field of SearchDENTIFRICES (INCLUDES MOUTH WASH)Ferment containing (e.g., enzymes, bacteria, etc.) Iodine or iodine compound containing Fluorine or fluorine compound containing Oxygen or chlorine releasing compound containing Ammonia, amine, or derivative thereof (e.g., urea, etc.) Hydroxy carboxylic acid or derivative thereof (e.g., methyl salicylate, etc.) Organic sulfate or sulfonate containing Phosphate compound containing Plant extract of undetermined constitution Gas produced in situ by chemical reaction | |
