Compositions: ceramic inventions 01/08

20080026927 - Glass-ceramic materials, precursor glass thereof and process-for making the same: The present invention relates to: novel glass-ceramics of β-quartz and/or of β-spodumene; articles made from said novel glass-ceramics; and ithium alumino-silicate glasses, which are precursors of said novel glass-ceramics; methods of preparing said novel glass-ceramics and articles made from said novel glass-ceramics. The present invention relates to the use of... Agent: Corning Incorporated

20080026929 - Method and apparatus for production of a compound having submicron particle size and a compound produced by the method: The invention relates to an improved method of manufacturing a compound having a sub-micron primary particle size such as a metal compound such as metal oxides, metaloxy hydroxides metal hydroxides, metal carbides, metal nitrides, metal carbonitrides, metal borides, electroceramics and other such compound, said method comprising the steps of: introducing... Agent: Hunton & Williams LLP Intellectual Property Department

20080026928 - Optical glass, press-molding preform and optical part: A high-refractivity low-dispersion optical glass that gives press-molding preforms excellent in high-temperature shapability and suitable for precision press-molding, including an optical glass comprising B2O3, La2O3, Gd2O3 and ZnO as essential components, substantially containing none of lead and fluorine, having a refractive index (nd) of 1.72 to 1.83, an Abbe's number... Agent: Nixon & Vanderhye, PC

20080020918 - Process and composition for the immobilization of high alkaline radioactive and hazardous wastes in silicate-based glasses: The present invention provides processes to immobilize high alkaline radioactive and/or hazardous waste in a silicate-based glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides silicate-based glass compositions for use in immobilizing radioactive and/or hazardous waste.... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080020919 - Tempered glass and process for producing the same: The invention relates to a tempered glass comprising, in terms of mass percent, SiO2: 60 to 80%; Al2O3: 3 to 18%; B2O3: 0 to 7%; Li2O: 0.01 to 10%; Na2O: 4 to 16%; K2O: 0 to 15%; and R′O (wherein R′O indicates a total content of alkaline earth metal oxides):... Agent: Nixon & Vanderhye, PC

20080020920 - Ceramics sintered body, method for producing ceramics sintered body and exothermic body for metal vapor deposition: A ceramics sintered body improved in corrosion resistance to a molten metal and a method for producing such a ceramics sintered body. The ceramics sintered body includes boron nitride, titanium diboride, a calcium compound and titanium nitride and having a relative density of 92% or more, wherein the content of... Agent: Young & Thompson

20080020921 - Modified ceramic formulations and procedures for the manufacture of ceramic parts with metallic effects and ceramic parts produced: c

20080015100 - Hydroxylapatite metal composite material and method for the production thereof: P

20080015101 - Water-soluble glass as corrosion protector in dishwashing machines: A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.... Agent: Norris Mclaughlin & Marcus, P.A.

20080015102 - Method of making amorphous and ceramics via melt spinning: Methods of melt spinning to make amorphous and ceramic materials.... Agent: 3m Innovative Properties Company

20080015103 - Material having a controlled microstructure, core-shell macrostructure, and method for its fabrication: Disclosed is a method for making a material having a controlled microstructure, the method including providing particles of a ceramic mineral material, the particles having a metal oxide dopant therein. The particles of the ceramic mineral material are consolidated into larger aggregates of a size relevant to the desired application... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20080015104 - Ultrafine nepheline syenite: A useable particulate nepheline syenite having a grain size to provide an Einlehner Abrasive Value of less than about 100 is described. The particulate nepheline syenite is generally free from agglomeration and moisture free. At least 99% of the nepheline syenite particles have a size less than 10 microns. In... Agent: Fay Sharpe LLP

20080009403 - Composition for high performance glass, high performance glass fibers and articles therefrom: Glass batch compositions for the formation of high-modulus, and high-strength glass fibers as well as fibers suitable for use as textile and reinforcements are disclosed. Fibers formed of the composition are especially suitable for use in high-strength, low-weight applications such as windmill blades and high strength and modulus applications where... Agent: Owens Corning

20080009404 - Dielectric ceramic material: There is provided a dielectric ceramic material in which the firing temperature dependency of the relative dielectric constant can be suppressed and the mechanical strength can be improved. Specifically, there is provided a dielectric ceramic material including: main constituents given by a composition located in the region, in a ternary... Agent: Pearne & Gordon LLP