Dentifrice containing antibacterial material
June 20, 2014. 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 ReferencesCalcium pyrophosphate abrasive system for dentifrice Dental preparation containing materials having calcium and phosphate components Process of preparing materials having calcium and phosphate components Process for preparing dicalcium phosphate dihydrate having a portion of the calcium displaced by divalent metal ion Dentifrice compositions Dentifrice compositions Dentifrice for hypersensitive teeth Dentifrice for hypersensitive teeth Antimicrobial hydroxyapatite powders and methods for preparing them Process for producing an antibacterial ceramic material InventorsAssigneeApplicationNo. 262378 filed on 06/20/1994US Classes:424/49, DENTIFRICES (INCLUDES MOUTH WASH)424/57, Phosphate compound containing424/618, Silver424/630, Copper424/641ZincExaminersPrimary: Griffin, Ronald W.Attorney, Agent or FirmForeign Patent References
International ClassA61K 007/16Foreign Application Priority Data1991-10-29 JPAbstractA dentifrice (tooth paste) having an antibacterial effect to prevent production of carious tooth and generation of periodontal diseases such as alveolar blennorrhea. The dentifrice contains hydroxylapatite powder. The hydroxylapatite powder carries therein an antibacterial metal such as silver, copper and/or zinc. The antibacterial metal is adsorbed to and/or combined, under ion exchange, with the hydroxylapatite powder.Other References
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