Compositions: ceramic inventions 11/08

20080293556 - Optical glass, preform for precision press-molding, optical element, and methods for manufacturing the same: A method for manufacturing a preform for precision press molding by separating a glass melt gob from a glass melt obtained by mixing, heating, and melting glass starting materials, and forming a preform in a glass melt gob cooling step, said mixing, heating, and melting of glass starting materials is... Agent: Sughrue Mion, PLLC

20080293557 - Thermal shock resistant ceramic composites: The disclosed invention relates to ceramic matrix composites with ceramic fiber reinforcements.... Agent: Renner Otto Boisselle & Sklar, LLP

20080293558 - Wear resistant materials: A hard phase material is provided for increasing the hardness of a matrix material and improving the wear resistance thereof. The hard phase material is an aluminum boride material having the structure AlB8-16. The aluminum boride hard phase may be incorporated into a matrix material by mixing particulate aluminum boride... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20080293559 - Process and plant for converting hazardous waste containing chromium vi into non-hazardous waste: h

20080293560 - Ceramic electronic device and the production method: A ceramic electronic device including a dielectric layer, wherein the dielectric layer includes a main component expressed by a composition formula of BamTiO2+m, wherein “m” satisfies 0.995≦m≦1.010 and a ratio of Ba and Ti satisfies 0.995≦Ba/Ti≦1.010, and a subcomponent (a sixth subcomponent) including an oxide of Al; and a content... Agent: Oliff & Berridge, PLC

20080287278 - Low loss chalcogenide glass and process for making same using arsenic monochalcogenide: This invention pertains to a chalcogenide glass of low optical loss that can be on the order of 30 dB/km or lower, and to a process for preparing the chalcogenide glass. The process includes the steps of optionally preparing arsenic monochalcogenide precursor or the precursor can be provided beforehand; dynamically... Agent: Naval Research Laboratory Associate Counsel (patents)

20080287279 - Glasses having low oh, od levels: A fused silica glass and a fused silica article having a combined concentration of at least one of OH and OD of up to about 50 ppm. The fused silica glass is formed by drying a fused silica soot blank or preform in an inert atmosphere containing a drying agent,... Agent: Corning Incorporated

20080287280 - Optical glass composition, preform and optical element: An optical glass composition contains, in % by weight, 1.0% or more and 12.0% or less of SiO2, 8.0% or more and 18.0% or less of B2O3, 0% or more and 6.0% or less of ZnO, 1.0% or more and 10.0% or less of ZrO2, 25.0% or more and 47.0%... Agent: Pearne & Gordon LLP

20080287281 - Method for producing a wear-resistant reaction-bounded ceramic filtering membrane: The invention relates to a method for producing a wear-resistant reaction-bounded ceramic filtering membrane, during which a porous metallic or non-metallic support for producing a green body is provided with a suspension. This suspension is obtained from a dispersant and from a dispersed phase, and this dispersed phase can be... Agent: Jason H. Vick Sheridan Ross, PC

20080280747 - Dental fillings and bone tissue: A bone substitute composition includes glass flake and a hardenable material. The glass flake is a particle with an aspect ratio of, at least, 20:1 The preferred thickness of the glass flake is in the range from 200 to 1,000 nm and the average particle size is, preferably, from 20... Agent: Edwin D. Schindler

20080280748 - Dielectric ceramic-forming composition and dielectric ceramic material: The dielectric ceramic-forming composition includes a perovskite (ABO3) ceramic material powder having an average particle size of 0.01 to 0.5 μm and a glass powder having an average particle size of 0.1 to 5 μm, wherein the content of the glass powder is 3 to 12 percent by weight. The... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080280749 - Titanium carbide powder and titanium carbide-ceramics composite powder and method for production thereof, and sintered compact from the titanium carbide powder and sintered compact from the titanium carbide/ceramics composite powders and method for produc: Disclosed is a highly-pure fine titanium carbide powder having a maximum particle size of 100 nm or less and containing metals except titanium in an amount of 0.05 wt % or less and free carbon in an amount of 0.5 wt % or less. The powder has a NaCl-type crystal... Agent: Jordan And Hamburg LLP

20080274869 - Quartz glass blank and method for producing said blank: Said quartz glass blank can only be obtained in that a doped quartz glass obtained by flame hydrolysis of a compound containing silicon, titanium and/or fluorine is formed as a large volume rod-shaped starting body into a homogeneous quartz glass blank using several forming steps and is homogenized.... Agent: Tiajoloff & Kelly

20080274871 - Jig for calcining electronic component: A jig for calcining an electronic component including a substrate 11 and a zirconia layer 12 coated on a surface of the substrate characterized in that the zirconia layer including one or more metal oxides forming a liquid phase is calcined for improving peel-off resistance and wear resistance to crystallize... Agent: Young & Thompson

20080274870 - Refractory ceramic product: The invention relates to a refractory ceramic product which comprises: a) ≧93% by weight of at least one refractory basic component and b) ≦7% by weight of at least one anticorrosive component from the group including: b1) transition metals, b2) compounds of transition metals with each other, b3) non-oxidic compounds... Agent: Walker & Jocke, L.p.a.

20080274872 - Corrosion-resistant material manufacturing method: The present invention provides a method of manufacturing an yttria (Y2O3) sintered body having high density and excellent plasma-resistance. The yttria sintered body has a structure in which a Y2O3 crystal and a Y3BO6 crystal are included as the constituent crystal thereof. In production of the yttria sintered body, a... Agent: Carrier Blackman And Associates