Method for producing bone filter of calcium phosphate
Patent 7648728 Issued on January 19, 2010. Estimated Expiration Date: 
July 11, 2025. 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.
July 11, 2025. 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 ReferencesMethod for the production of endosseous implants Method for forming hydroxyapatite coating film using coating liquor containing hydroxyapatite Composite materials for hard tissue replacement Patent #: 5320844 InventorsAssigneeApplicationNo. 11177409 filed on 07/11/2005US Classes:427/2.26For mineralized body part (e.g., bone, tooth, crown, hip) , 128/92ExaminersPrimary: Komakov, MichaelAssistant: Bowman, Andrew Attorney, Agent or FirmForeign Patent References
International ClassA61K 6/083AbstractA method for producing a calcium phosphate bone filler by preparing a mixed liquid comprising a calcium solution and a phosphoric acid solution in such a manner that a substrate of calcium phosphate exists in the mixed liquid, thereby precipitating calcium phosphate on the substrate to form a coating layer, and heat-treating the resultant composite comprising the substrate and the coating layer.Other References
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