Bioreactive materials
Patent 4605415 Issued on August 12, 1986. Estimated Expiration Date: 
December 2, 2003. 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.
December 2, 2003. 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 3922155 Biocompatible ceramic glass Method of bonding a bioglass to metal Bioglass coated metal substrate High strength glass-ceramic containing apatite and alkaline earth metal silicate crystals and process for producing the same Patent #: 4560666 InventorAssigneeApplicationNo. 06/557495 filed on 12/02/1983US Classes:424/422, Implant or insert501/63, And phosphorus, niobium, or tantalum501/73Less than 40 percent by weight silicaExaminersPrimary: Apley, Richard J.Assistant: Cannon, Alan W. Attorney, Agent or FirmInternational ClassesC03C 4/00 (20060101)A61K 6/06 (20060101) A61K 6/02 (20060101) A61F 2/00 (20060101) Foreign Application Priority Data1982-12-02 BEAbstractBioreactive materials, for use in forming implants or prostheses, obtained by fusion of a mixture of 20 to 50% by weight of SiO2, 15 to 25% by weight of CaO, 5 to 10% by weight of P2 O5, 15 to 25% by weight of Na2 O and 3 to 15% by weight of Al2 O3, or their metallic precursors yielding equivalent quantities of oxides by fusion. | |
