Compositions: ceramic inventions 09/08

20080234122 - A sintered refactory material based on silicon carbide with a silicon nitride binder: P

20080234123 - Refractory material for reduced sio2 content: A refractory material used in refractory furnace liners, combustion chambers, baffles and artificial fire logs includes alumina silicate; an additive comprising at least one of silicon carbide, silicon nitride, boron carbide, boron nitride and silicon carbo-nitride; and a binder. The refractory material is light weight, has a high noise reduction... Agent: Sand & Sebolt

20080227615 - Low viscosity e-glass composition enabling the use of platinum and rhodium free bushings: A low viscosity E-glass composition including SiO2 in an amount ranging from 52-54 weight percent, Al2O3 in an amount ranging from 12-14 weight percent, F2 in an amount ranging from 0-1.0 weight percent, Fe2O3 in an amount ranging from 0 to 0.8 weight percent, Na2O in an amount ranging from... Agent: Owens Corning

20080227616 - Use of glass ceramics: The invention relates to novel uses of glass ceramics, wherein glass ceramics, in particular, in the form of a glass ceramic tube, are used. Said glass ceramics contain 0—less than 4 wt % P205 and 0 less than 8 wt-% CaO. The tubes can be used in multiple areas of... Agent: Michael J. Striker

20080227617 - Artificial corundum crystal: An artificial corundum crystal which can be put into practical use at low costs, and a process for producing the same. The artificial corundum crystal contains a seed crystal and has at least one crystal face selected from a {113} face, a {012} face, a {104} face, a {110} face,... Agent: Ladas & Parry LLP

20080227618 - Boron carbide sintered body and method of manufacturing the same and protective body: A boron carbide sintered body having a plurality of pores, comprises a boron carbide as a main component and a plurality of graphite particles dispersed in the sinter. The graphite particles is exposed to the pores or is in the vicinity of the pores.... Agent: Birch Stewart Kolasch & Birch

20080227619 - Method for pressurelessly sintering zirconium diboride/silicon carbide composite bodies to high densities: A method of sintering a ZrB2—SiC composite body at ambient pressures, including blending a first predetermined amount of ZrB2 powder with a second predetermined amount of SiC powder, wherein both powders are characterized by the presence of surface oxide impurities. Next the blended powders are mixed to yield a substantially... Agent: Brannon & Associates PC

20080227620 - Ceramic cutting insert and method of making same: The present invention relates to a method of manufacturing a ceramic cutting insert, based on an oxide ceramic or a nitride ceramic or a mixed ceramic material, possibly containing whiskers, in a process comprising the powder metallurgical steps of providing a ready-to-press ceramic powder, pressing the ready-to-press powder into a... Agent: Drinker Biddle & Reath (dc)

20080227621 - Glass capable of emitting infrared rays: A glass includes SiO2, Na2CO3, K2CO3, CaO and ceramic particles which is composed of a combination of ALO3, MgO, and ZrO2 to emit infrared rays.... Agent: Andrews Kurth LLP

20080227622 - Dielectric porcelain composition for use in electronic devices: The invention intends to provide a dielectric porcelain composition for use in electronic devices, which has the dielectric characteristics such that the Qf value is high, the temperature coefficient τf of a resonant frequency is small and a value thereof can be controlled in a wide range in positive and... Agent: Stein, Mcewen & Bui, LLP

20080227623 - Batio3 - pbtio3 series single crystal and method of manufacturing the same, piezoelectric type actuator and liquid discharge head using such piezoelectric type actuator: BaTiO3—PbTiO3 series single crystal is single-crystallized by heating BaTiO3—PbTiO3 compact powder member or sintered member having a smaller Pb-containing mol number than Ba-containing mol number, while keeping the powder or substance in non-molten condition. In this way, this single crystal can be manufactured at a crystal growing speed faster still... Agent: Fitzpatrick Cella Harper & Scinto

20080227624 - Pyrolytic formation of metallic nanoparticles: A method and a ceramic made therefrom by: providing a composition of a compound having the formula below and a metallic component, and pyrolyzing the composition. The value n is a positive integer. Q is an acetylenic repeat unit having an acetylene group, crosslinked acetylene group, (MLx)y-acetylene complex, and/or crosslinked... Agent: Naval Research Laboratory Associate Counsel (patents)

20080220960 - Far infrared emitting nano glaze: A far infrared emitting nano glazed comprised of a mixture of 35˜65% solvent, 1˜35% solubilizing agent, 0˜25% refractory agent but not including 0%, 0.1˜5% adhesive agent, 0.5˜30% far infrared powder, and 0.5˜10% nano material, added with water to be ground into a solution with of 350±20 g/200 cc concentration and... Agent: Troxell Law Office Pllc

20080220961 - Optical glass: An optical glass having refractive index (nd) exceeding 1.85, Abbe number (νd) of 36 or over, comprising SiO2, B2O3, La2O3, Gd2O3, Ta2O5 and Li2O as essential components, being free of Pb and As components, and having glass transition temperature (Tg) of 630° C. or below.... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080220962 - Method for forming ultrafine particle brittle material at low temperature and ultrafine particle brittle material for use therein: A method for forming an ultrafine particle brittle material at low temperature which includes the steps of applying a mechanical impact force or a pressure to a ultrafine particle brittle material so as to have a percentage in the ultrafine particles having a primary particle diameter less than 50 nm... Agent: Birch Stewart Kolasch & Birch

20080220963 - Sintered silicon nitride and method for producing the same: A method for producing sintered silicon nitride, including preparing a slurry from a base powder containing a silicon nitride powder and a sintering aid, the base powder having a particle size (D50) of 0.3 to 1 μm; obtaining an SD powder from the slurry by a spray dryer process; and... Agent: Burr & Brown

20080220964 - Ceramic material powder, method of production thereof, dielectric ceramic composition, electronic device, and multilayer ceramic capacitor: A ceramic material powder comprised of main ingredient particles formed by barium titanate having on their surfaces a covering layer comprised of a secondary ingredient additive, wherein when an average radius of the main ingredient particles is “r” and an average radius of the covering layer is “Δr”, the Δr... Agent: Oliff & Berridge, Plc

20080214379 - Glass ceramic or glass element that can be subjected to great thermal loads and is decorated with a metallic color: The glass ceramic or glass element that can be subjected to high thermal loads is decorated with a metallic colorant. The metallic colorant consists of a melted silicate and at least one effect pigment, which is included in a specified proportion in a melt of the silicate glass to form... Agent: Michael J. Striker

20080214380 - Glass substrate with low infrared transmission for display screen: e

20080214381 - Moldable and low-temperature cure high-temperature composites: A method for preparing a high-temperature heat-resistant composite material by combining a mixture of submicron alumina powder and submicron silica powder, wherein the ratio of alumina to silica is from about 4:1 to about 5:1, submicron Group II metal oxide powder, and a Group I metal silicate solution to form... Agent: Fox Rothschild LLP Princeton Pike Corporate Center

20080214382 - Dielectric ceramic composition and multi-layer ceramic capacitor: The present invention is a dielectric ceramic composition comprising 0.18 to 0.5 part by weight of Yb2O3, 0.6 to 1.5 parts by weight of MgO, 0.4 to 1.5 parts by weight of CaSiO3, 0.02 to 0.2 part by weight of WO3, 0.1 to 0.4 part by weight of MnCO3 and... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080214383 - Cubic boron nitride sintered body: e