Compositions: ceramic inventions 09/07

20070225145 - Method for manufacture of glass: The invention is an improved method for manufacturing fiberglass. In the method of the invention, traditional raw materials are at least partially replaced by pre-reacted materials. Use of these pre-reacted material results is less energy based to manufacture glasses and better melting of the raw material.... Agent: Johns Manville

20070225146 - Lead-free optical glasses with a hard flint position: Optical glasses are described, which are useful for imaging, sensors, microscopy, medical technology, digital protection, photolithography, laser technology, wafer/chip technology, as well as telecommunication, optical communications engineering and optics/lighting in the automotive sector, with a refractive index of 1.80≦nd≦1.95 and an Abbe value from 19≦νd≦28 with excellent chemical resistance and... Agent: Striker, Striker & Stenby

20070225147 - Lens and process for the production thereof: A lens formed of a high-refractivity low-dispersion glass and free of fogging and scorching on its optical-function surface, which is obtained by precision press-molding of an optical glass having a refractive index (nd) of over 1.83, an Abbe's number (νd) of 40 or more and a glass transition temperature (Tg)... Agent: Nixon & Vanderhye, PC

20070225148 - Optical glass, precision press-molding and process for the production thereof, and optical element and process for the production thereof: A high-refractivity optical glass which has both a low-temperature softening property suitable for precision press-molding and glass stability suitable for hot-shaping of a preform, which contains, by mass %, 13 to 30% of B2O3, 0.1 to 4% of Li2O, 17 to 35% of ZnO, 15 to 45% of La2O3, 4... Agent: Nixon & Vanderhye, PC

20070225152 - Aluminum nitride sintered body, method of manufacturing aluminum nitride sintered body, and member: The present inventors have found that an aluminum nitride sintered body excellent in flatness by polishing can be provided by improving the strength of a grain boundary; at the same time, by adding SiO2 or MgO, which forms a solid solution with aluminum nitride during a sintering process, with the... Agent: Burr & Brown

20070225144 - Crystallized glass spacer for field emission display and method its production: An SiO2—TiO2-based glass is subjected to a reduction and crystallization heat treatment at 600-900° C. in a hydrogen atmosphere or in a mixed atmosphere of hydrogen and nitrogen, to obtain a crystallized glass spacer for FED consisting essentially of, in molar percentage, SiO2: 20-50%, TiO2: 25-45%, MgO+CaO+SrO+BaO+ZnO: 20-50%, B2O3+Al2O3: 0-10%... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070225149 - Ceramic porous body and method for producing molded body: A ceramic porous body including at least Si as a chemical component, the ceramic porous body being obtained by adding a porous silica powder or a porous silica-containing compound powder to a forming raw material to prepare a clay, forming the resulting ceramic clay into a specific shape, and firing... Agent: Oliff & Berridge, PLC

20070225151 - Silicon carbide matrix composite material, process for producing the same and process for producing part of silicon carbide matrix composite material: Silicon carbide matrix composite material (1) comprises silicon carbide matrix (2) as a host The silicon carbide matrix (2) comprises first silicon carbide phase (3) of 0.1 to 10 μm average crystal grain diameter and second silicon carbide phase (4) of 0.01 to 2 μm average crystal grain diameter. In... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070225150 - Sintered ceramic material with improved properties and method for its manufacturing: A sintered ceramic material comprises a crystalline phase and an intergranular phase comprising a glass phase. The material is manufactured from a starting powder being mixed with an additive comprising one or more metal from a group of Li, Na, Mg, Ca, Sr, Ba, Sc, Y, La, Ce, Pr, Nd,... Agent: Connolly Bove Lodge & Hutz LLP

20070225153 - Implementing a pressure-induced phase transformation in beta-eucryptite to impart toughening: The invention provides composite materials comprising eucryptite particles distributed in a matrix material other than eucryptite. The matrix material may be a ceramic material such as an oxide ceramic. In an embodiment, the eucryptite particles are transformed from the β-phase to the ε-phase during fabrication of the composite. This phase... Agent: Greenlee Winner And Sullivan P C

20070225154 - Electronic device, dielectric ceramic composition and the production method: A production method of a dielectric ceramic composition, comprising a main component comprised of barium titanate, a fourth subcomponent comprised of an oxide of R1 (note that R1 is at least one kind selected from a first element group composed of rare earth elements having a value of effective ionic... Agent: Oliff & Berridge, PLC

20070213192 - B-spodumene glass-ceramic materials and process for making the same: is less than about 0.5; advantageously the total of P2O5, B2O3, Na2O and K2O is less than about 9% by weight and the total of Na2O ad K2O is less than about 2% by weight; and more advantageously the total of P2O5, B2O3, Na2O and K2O is less than about... Agent: Corning Incorporated

20070213193 - Composition of a binder for enameling a volcanic rock: A composition of a binder for enameling a porous volcanic rock to decorate the appearance of the volcanic rock with various colors is provided. The binder is comprised of oxides of silica, alumina, ferrous, titanium, calcium, magnesium dispersed in alkaline medium. The binder is impregnated into the porous surface of... Agent: Eugene Oak

20070213194 - Glass substrates for flat screens: c

20070213195 - Illuminating glass: An illuminating glass that is capable of shielding of ultraviolet radiation lying on the large wavelength side, for example, 313 nm, and exhibits high transparency. The illuminating glass is characterized by containing, by mass, 50-78% SiO2, 11-25% B2O3, 0-10% Al2O3, 3-20% Li2O+Na2O+K2O, 0-10% MgO, 0-10% CaO, 0-20% SrO, 0-20% BaO,... Agent: Kubovcik & Kubovcik

20070213197 - Aqua blue glass composition with increased infrared absorption: A glass composition has a base and a colorant. The composition of the base is 68 to 75% SiO2, 10 to 18 wt. % Na2O, 5 to 15 wt. % CaO, 0 to 10 wt. % MgO, 0 to 5 wt. % Al2O3, and 0 to 5 wt. % K2O,... Agent: Automotive Components Holdings LLC C/o Macmillan, Sobanski & Todd, LLC

20070213196 - High transmission grey glass composition with reduced iron: A glass composition has a base and a colorant. The composition of the base is 68 to 75% SiO2, 10 to 18 wt. % Na2O, 5 to 15 wt. % CaO, 0 to 10 wt. % MgO, 0 to 5 wt. % Al2O3, and 0 to 5 wt. % K2O,... Agent: Automotive Components Holdings LLC C/o Macmillan, Sobanski & Todd, LLC

20070213199 - Refractory composition: A refractory brick, comprised of a refractory material having about 55% to about 96% by weight magnesia particles or magnesia particles containing spinel precipitates, about 3% to about 20% by weight fine zirconia particles having a particle size less than 35 Tyler mesh (less than 425 μm), and about 1%... Agent: Kusner & Jaffe Highland Place Suite 310

20070213198 - Refractory composition: A refractory material, comprised of a refractory material having about 70% to about 96% by weight magnesia particles, about 3% to about 20% by weight fine zirconia particles having a particle size less than 35 Tyler mesh (less than 425 μm), and about 1% to about 8% coarse zirconia or... Agent: Kusner & Jaffe Highland Place Suite 310

20070213200 - Composition of dielectric material: A dielectric material is provided. The dielectric material includes a main composition including a Ba2Ti9O20 having a weight ranged from 50 to 94.9 wt %; a first sub-composition including a GeO2 and an MnCO3 respectively having a weight ranged from 0.01 to 10 wt %; and a second sub-composition including... Agent: Volpe And Koenig, P.C.

20070213201 - Ceramic powder, dielectric paste using same, multilayer ceramic electronic component, and method for production thereof: As the ceramic powder fated to form dielectric ceramic layers in a multilayer ceramic electronic component resulting from alternately stacking the dielectric ceramic layers and internal electrode layers, a ceramic powder that possesses a perovskite-type crystal structure and satisfies an expression X≧3, wherein X denotes the weight ratio Wt/Wc of... Agent: Kanesaka Berner And Partners LLP

20070213202 - Dielectric porcelain composition and method for production thereof: A dielectric porcelain composition here contains as main components BaO, Nd2O3, TiO2, MgO and SiO2 at the given ratios and as subordinate components ZnO, B2O3 and CuO at given ratios, so that it can have a low-temperature sintering capability stable and reliable enough to permit a conductor formed of Ag,... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070207911 - Process for producing silica glass containing tio2, and optical material for euv lithography employing silica glass containing tio2: P

20070207912 - Method of making glass including use of boron oxide for reducing glass refining time: This invention relates to a method of making soda-lime-silica based glass. In certain example embodiments, boron oxide (e.g., B2O3) is used in the glass for reducing the refining time (or increasing the refining rate) thereof. The boron oxide may be introduced into the glass batch or melt in the form... Agent: Nixon & Vanderhye, PC

20070207913 - Transluscent ceramic and method for manufacturing the same, and optical component and optical device: A translucent ceramic containing a main component represented by Ba{MxB1yB2z}vOw (wherein B1 is a trivalent metallic element, B2 is a quintavalent metallic element, M is at least one selected from the group consisting of Ti, Sn, Zr and Hf, x+y+z=1, 0≦x≦0.45, 1.00≦z/y≦1.04, 1.00≦v≦1.05, and w is a positive number required... Agent: Dickstein Shapiro LLP