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Compositions: ceramic May archived by USPTO category 05/11

20110124482 - Sintering aids: Embodiments of the present invention disclosed herein include a sintering aid composition that has a material useful for sintering, an amine, and optionally a carboxylic acid.... Agent: Huntsman Petrochemical LLC

20110124483 - Ceramic composite materials containing carbon nanotube-infused fiber materials and methods for production thereof: In various embodiments, composite materials containing a ceramic matrix and a carbon nanotube-infused fiber material are described herein. Illustrative ceramic matrices include, for example, binary, ternary and quaternary metal or non-metal borides, oxides, nitrides and carbides. The ceramic matrix can also be a cement. The fiber materials can be continuous... Agent: Applied Nanostructured Solutions, LLC

20110124484 - Process for producing aluminum titanate-based ceramics: The invention is to provide a process for producing an aluminum titanate-based ceramic such as aluminum titanate or aluminum magnesium titanate having excellent thermal decomposition resistance and having a smaller coefficient of thermal expansion. The invention is a process for producing an aluminum titanate-based ceramic, comprising firing a starting material... Agent: Sumitomo Chemical Company, Limited

20110124485 - Optical glass: A glass composition being suitable for precision mold press forming, having superior resistance to devitrification, having optical constants (a refractive index, an Abbe number, and the like) required for aspherical lenses, and a low glass transition temperature. There is provided an optical glass comprising 5 mol % to 60 mol... Agent: Ohara Inc.

20110124486 - Aluminum titanate-containing ceramic-forming batch materials and methods using the same: The present disclosure relates to aluminum titanate-containing ceramic-forming batch materials and methods using the same.... Agent:

20110118100 - Production of nickel: A method of smelting a nickel intermediate product in a smelter that contains a molten bath of metal and slag to produce a nickel product, the method comprising supplying the nickel intermediate product and a solid reductant to the smelter and smelting the nickel intermediate product to produce molten nickel,... Agent:

20110118101 - Grey glass composition: m

20110118102 - Inorganic fiber: Provided are inorganic fibers containing calcium and alumina as the major fiber components. According to certain embodiments, the inorganic fibers containing calcia and alumina are provided with a coating of a phosphorous containing compound on at least a portion of the fiber surfaces. Also provided are methods of preparing the... Agent:

20110118103 - Reactor control: A liquid phase reactor comprising a screw within a barrel, the screw and barrel being relatively rotatable and defining a mixing zone therebetween, the barrel having at least two inlets for introduction of components for mixing into the barrel and an outlet for discharge of a product of mixing from... Agent: Ceramic Fuel Cells Limited

20110118104 - Dielectric ceramic composition: A dielectric ceramic composition comprises a dielectric main component composed of 86.32 to 97.64 mol % of BaTiO3, 0.01 to 10.00 mol % of Y2O3 and 0.01 to 10.00 mol % of MgO and 0.001 to 0.200 mol % of V2O5, 0.01 to 1.0 mol % of more than one... Agent:

20110111943 - Tunable low loss ceramic composite compounds based on a barium strontium titanate/barium magnesium tantalate/niobate: An embodiment of the present invention provides an electronically tunable dielectric material, comprising at least one electronically tunable dielectric phase; and at least one compound of low loss complex perovskites, wherein said low loss complex pervoskites comprise two B site cations.... Agent:

20110111944 - Mgo-a12o3-sio2-based crystallizable glass and crystallized glass, and manufacturing method thereof: The invention provides a crystallizable glass, a crystallized glass, and manufacturing methods thereof. The crystallizable glass can be crystallized in a short period of time, and can maintain its glass shape and its surface condition during a crystallization process. The crystallized glass has good mechanical strength, an adequate thermal expansion... Agent: Huzhou Ta Hsiang Glass Products Co., Ltd.,

20110111945 - Inert high hardness material for tool lens production in imaging applications: A tungsten carbide material for use in precision glass molding applications having 6.06-6.13 wt. % carbon, 0.20-0.55 wt. % grain growth inhibitor, less than 0.25 wt. % binder, less than 0.6% wt. % impurities, and balance being tungsten. The tungsten carbide material has a nominal grain size of less than... Agent: Kennametal Inc.

20110111946 - Structure made of ceramic material and relative production process: The present invention relates to a ceramic material structure (100) at least partly produced with a ceramic material comprising an effective quantity of Li—Al nesosilicates (euryptite) (110). In a further aspect thereof, the present invention relates to a process for producing the aforesaid ceramic material structure. The ceramic has a... Agent:

20110111947 - Dielectric ceramic composition and electronic component: The disclosed is a dielectric ceramic composition in which dielectric particles 2a are formed. The dielectric particle 2a has a core 22a comprised of hexagonal barium titanate, and a shell 24a formed on an outer circumference of the core 22a and comprised of cubical or tetragonal barium titanate. The purpose... Agent: Japan Aerospace Exploration Agency

20110105293 - Negative dielectric constant material based on ion conducting materials: Metamaterials or artificial negative index materials (NIMs) have generated great attention due to their unique and exotic electromagnetic properties. One exemplary negative dielectric constant material, which is an essential key for creating the NIMs, was developed by doping ions into a polymer, a protonated poly(benzimidazole) (PBI). The doped PBI showed... Agent: Usa As Represented By The Administrator Of The National Aeronautics & Space Administration

20110105294 - Optical glass, precision press-molding preform, optical element and process for producing the same: the total content of B3+ and Si4+ being 20 to 50%, the total content of La3+, Gd3+ and Y3+ being 5 to 35%, the cationic ratio of ((B3++Si4+)/(La3++Gd3++Y3+)) being from 1 to 5, the total content of Ti4+, Nb5+, Ta5+ and W6+ being 10 to 35%, the cationic ratio of... Agent: Hoya Corporation

20110105295 - Zirconium dioxide-based material: The invention relates to the field of synthetic materials and is industrially applicable in the manufacture of wear-resistant construction parts for use under conditions of elevated temperatures, loads, and aggressive media, for cutting and machining tools, and in medical equipment. The technical problem of optimization of the performance parameters of... Agent: Golsen Limited

20110105296 - Fused ceramic particle: e

20110105297 - Duplex eutectic silicon alloy, manufacturing method thereof, and manufacturing method of sintered compact using silicon alloy powder: A duplex eutectic silicon alloy including 30-70 weight % silicon, 10-45 weight % nitrogen, 1-40 weight % aluminum, and 1-40 weight % oxygen has a eutectic structure comprising a β′-sialon phase and an ο′-sialon phase. The alloy is produced by controlling cooling at a rate of 50° C. or less... Agent: Isman J Corporation