High-strength glass-ceramic containing anorthite crystals and process for producing the same
Patent 4643982 Issued on February 17, 1987. Estimated Expiration Date: 
December 4, 2005. 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 4, 2005. 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 ReferencesGlass-ceramic coatings for use on metal substrates High strength glass-ceramic containing apatite and alkaline earth metal silicate crystals and process for producing the same Patent #: 4560666 InventorsAssigneeApplicationNo. 06/804517 filed on 12/04/1985US Classes:501/8, Divalent metal oxide aluminosilicate crystalline phase (e.g., anorthite, slagcerams, etc.)501/10, Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.)501/5Binary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.)ExaminersPrimary: Bell, Mark L.Attorney, Agent or FirmInternational ClassesC03C 10/00 (20060101)C03C 10/16 (20060101) C03C 4/00 (20060101) A61L 27/00 (20060101) A61L 27/12 (20060101) A61F 2/00 (20060101) Foreign Application Priority Data1984-12-05 JPAbstractA high-strength glass-ceramic containing apatite crystals or ଲ-tricalcium phosphate crystals, and anorthite crystals, and a process for producing the same are disclosed. The glass-ceramic has an excellent biocompatibility and is useful as an implant material such as an artificial dental root and an artificial bone.Field of SearchBinary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.)Divalent metal oxide aluminosilicate crystalline phase (e.g., anorthite, slagcerams, etc.) Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.) | |
