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Compositions: Ceramic > Ceramic Compositions > Devitrified Glass-ceramics > Binary, Ternary, Quaternary, Etc., Metal Silicate Crystalline Phase (e.g., Mullite, Diopside, Sphene, Plagioclase, Slagcerams Free Of Alumina, Etc.) > Alkali Metal Aluminosilicate Crystalline Phase > Lithium Aluminosilicate (e.g., Spodumeme, Eucryptite, Petalite, Etc.) Lithium Aluminosilicate (e.g., Spodumeme, Eucryptite, Petalite, Etc.)Lithium Aluminosilicate (e.g., Spodumeme, Eucryptite, Petalite, Etc.) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/30/06 - 20060270543 - Lithium-aluminosilicate glass ceramic with high keatite content and structural member made thereof A lithium-aluminosilicate glass ceramic is transformed by a suitable heat treatment into a glass ceramic comprising at least 80 vol.-% of keatite mixed crystals. This may be utilized for the preparation of optical or mechanical high-precision parts having a high temperature resistance, a good stability and compatibility with components consisting ... 07/20/06 - 20060160689 - Crystallizable glass and crystallized glass of li2o-a12o3-sio2 system and method for producing crystallized glass of li2o-a12o3-sio2 system A crystallizable glass of Li2O—Al2O3—SiO2 system is provided, which can be crystallized by a crystallization process at a lower temperature to produce crystallized glass of Li2O—Al2O3—SiO2 system with excellent thermal characteristics. The crystallizable glass and crystallized glass of Li2O—Al2O3—SiO2 system consist essentially of, by weight percentages, SiO2 - - - ... 06/29/06 - 20060142138 - Ceramic material and optical device including the same A ceramic material has a thermal expansion coefficient of 50×10−7/° C. or less, an absolute value of the difference between the relative refractive indexes of silica glass and the ceramic material of 0.2 or less at a wavelength of 1550 nm, and a light attenuation coefficient of 0.3 dB/cm or ... 06/15/06 - 20060128546 - Glass-ceramic composite material, ceramic film layer composite or microhybird comprising said composite material and method for production thereof A glass-ceramic composite material is described having a matrix that is at least from place to place of a glass type, and having a ceramic filler as well as a ceramic foil, a ceramic laminate or microhybrid using this composite material, the matrix containing lithium, silicon, aluminum and oxygen, and ... 04/20/06 - 20060084561 - Lamp reflector substrate, glass, glass-ceramic materials and process for making the same The present invention relates to glass, glass-ceramic materials, lamp reflectors and processes for making them. The glass material has a composition, by weight of the total composition, comprising 56-67% SiO2; 9-22% Al2O3; 3.4-3.8% Li2O; 1.8-2.6% ZnO; 1.5-2.5% MgO; 3.3-5% TiO2; 0-2.5% ZrO2; 1.5-3% B2O3; 0-6% P2O5; 0-0.6% F; less than ... 09/08/05 - 20050197242 - Glas ceramic having a low thermal expansion 0-2.5 ... // - 1.5-5 - ... // - 0.1-4 - ... // - 2.5-5 - ... // - 17-32 - ... // - 50-70 - ... ### FreshPatents.com Support |