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Compositions: ceramic April category listing, related patent applications 04/10

20100105537 - Extruded glass structures and methods for manufacturing the same: Methods for preparing glass structures include extruding a glass precursor, the glass precursor having a composition in the range of 55%-75% SiO2, 5%-10% Na2O, 20%-35% B2O3 and 0%-5% Al2O3, and heat treating and leaching the glass precursor to yield a glass article comprising at least about 90% SiO2 by weight.... Agent: Corning Incorporated

20100105538 - Microwave dielectric ceramics and method for manufacturing the same: A method for manufacturing microwave dielectric ceramics has the steps of: mixing multiple A-metal compounds and sintering multiple A-metal compounds between 1350˜1450° C. for 2˜4 hr to make a first component Ba5+y(Nb1−kMnk)4O15; mixing and sintering multiple B-metal compounds to make a second component Ba1+zNb2O6; and mixing the first component Ba5+y(Nb1−kMnk)4O15,... Agent: Wpat, PC Intellectual Property Attorneys

20100105539 - Compound transparent ceramics and methods of preparation thereof: According to one embodiment, a method for forming a composite transparent ceramic preform includes forming a first suspension of oxide particles in a first solvent which includes a first dispersant but does not include a gelling agent, adding the first suspension to a first mold of a desired shape, and... Agent: Llnl/zilka-kotab John H. Lee, Assistant Laboratory Counsel

20100099546 - Transparent, colorless titania-free beta-quartz glass-ceramic: The invention relates to a transparent and essentially colorless β-quartz glass-ceramic material which is free of TiO2, As2O3, Sb2O3 and phosphates; articles formed from said glass-ceramic material; lithium aluminosilicate glasses, precursors for said glass-ceramic material; and methods of producing said glass-ceramic material and said articles formed from said glass-ceramic material.... Agent: Corning Incorporated

20100099547 - Ceramic porous body with communication macropores and process for producing the ceramic porous body: The present invention is a method for producing a ceramic porous body with high porosity and continuous macropores, which comprises mixing a ceramic powder with an aqueous solution of a gelable water-soluble polymer to form a slurry, gelling for a while to fix the tissue structure, freezing it to produce... Agent: Suzannah K. Sundby Smith, Gambrell & Russel, LLP

20100099548 - Composite sintered body: The composite sintered body of the invention is a composite sintered body, containing 20 volume % or more and 80 volume % or less of cubic boron nitride particles, and a binder; wherein the binder contains at least one selected from the group consisting of nitrides, carbides, borides, and oxides... Agent: Mcdermott Will & Emery LLP

20100087307 - Strengthened glass substrate and process for producing the same: An object of the invention is to obtain a glass substrate having high mechanical strength by reconciling suitability for ion exchange and devitrification proof in a glass. The strengthened glass substrate of the invention is a strengthened glass substrate having a compression stress layer in the surface thereof, the glass... Agent: Drinker Biddle & Reath (dc)

20100081554 - Method for producing a hollow cylinder of synthetic quartz glass, and thickwalled hollow cylinder obtained according to the method: A known method for producing a hollow cylinder of synthetic quartz glass comprises the steps of: (a) providing an inner tube of synthetic quartz glass having an inner bore defined by an inner wall, (b) cladding the inner tube (3′) with an SiO2 soot layer (4′), and (c) sintering the... Agent: Tiajoloff & Kelly

20100081555 - Optical glass: k

20100081556 - Oxide-based ceramic matrix composites: An oxide-based ceramic matrix composite and a method of making oxide-based ceramic composite are provided. The oxide-based ceramic matrix composite comprises a ceramic fiber and a mullite-alumina impregnating the ceramic fiber, wherein the mullite-alumina ceramic matrix comprises of 10-70 wt % mullite-alumina mixture.... Agent: Duke W. Yee

20100081557 - Corrosion-resistant member and method of manufacturing same: A corrosion-resistant member includes a ceramic member containing yttrium oxide as a main component, containing cerium element, and obtained by firing under a nonoxidizing atmosphere. The corrosion-resistant member that has high corrosion-resistant characteristics and includes a ceramic member having a low volume resitivity can be provided.... Agent: Carrier Blackman And Associates

20100081558 - Ceramic powders and thermal barrier coatings made therefrom: This invention relates to ceramic powders comprising a zirconia-based component, e.g., yttria-stabilized zirconia, and an (alumina+silica)-based component, e.g., mullite. The ceramic powders are useful for forming thermal shock resistant coatings having the same composition, through deposition by thermal spray devices. This invention also relates to thermal barrier coating systems suitable... Agent: Praxair, Inc. Law Department - M1 557

20100081559 - Ferroelectric ceramic material: Provided is a ferroelectric ceramic material containing BaTiO3 as a main component which can control a Curie temperature in a wide range, has no phase transition in the vicinity of a room temperature, and exhibits excellent ferroelectric characteristics. The ferroelectric ceramic material includes an oxide represented by the formula: (100−a−b)BaTiO3.aBi2O3.bM2O3,... Agent: Fitzpatrick Cella Harper & Scinto

20100081560 - general-purpose method for producing large-sized ceramic products such as houses or rooms from clay, large-sized blocks, bricks, and ceiling slabs (embodiments): The invention relates to the building material industry and to the use of labor saving tools of industrial continuous and batch brick kilns. Said invention makes it possible to develop a process for producing large-sized clay ceramic products consisting in carrying out rapid and high-quality baking and to accelerate a... Agent: Mcglew & Tuttle, PC

20100081561 - Optical material and optical element: Provided is an optical element, which is formed by vacuum-sintering a molded body of ceramic particles having an average particle diameter of 1 μm or more and 10 μm or less and including LnxAlyO[x+y]×1.5 (Ln represents a rare-earth element, x represents 1≦x≦10, and y represents 1≦y≦5). Ln preferably includes at... Agent: Fitzpatrick Cella Harper & Scinto