Compositions: ceramic inventions 08/07

20070203011 - Translucent piezoelectric glass ceramic: A translucent piezoelectric glass ceramic is disclosed. The glass ceramic is prepared from a precursor glass by a ceraming process, using a temperature gradient to effect the precipitation of non-ferroelectric piezo-active crystallites from the precursor glass with a preferred direction of orientation and having an average crystal size of less... Agent: Harness, Dickey & Pierce, P.L.C

20070203012 - Boron carbide sintered body and protective member: The compressive strength of a boron carbide sintered compact is improved by controlling crystals of the boron carbide to a polycrystalline structure having a grain size distribution in which coarse crystals with a grain size of 20 μm or more and fine crystals with a grain size of 10 μm... Agent: Volpe And Koenig, P.C.

20070203013 - Ceramic batch and associated product for fireproof applications: The intention relates to a ceramic batch for fireproof uses, comprising 83-99.5 wt. % of at least one refractory base material in a grain traction of <8 mm and 0.5-12 wt. % of at least one separate, granular SiO2 carrier and any remainder: other constituents. The invention also relates to... Agent: Walker & Jocke, L.p.a.

20070203014 - Dielectric ceramic composition and the production method: A dielectric ceramic composition, comprising a main component including a dielectric oxide, and a sintering auxiliary comprising a first component including an oxide of Li and a second component including an oxide of M1 (note that M1 is at least one kind of element selected from group V elements and... Agent: Oliff & Berridge, PLC

20070203015 - Ceramic dielectrics for base-metal-electrode multilayered ceramic capacitors and the preparation thereof: The present invention discloses a new dielectric material can be used as the dielectric for base-metal electrode multilayer ceramic capacitors. In the present invention, a small amount of fine metallic particles are added into barium titanate based powder. The metallic particles can absorb oxygen to prevent the oxidation of the... Agent: Birch Stewart Kolasch & Birch

20070203016 - Dielectric ceramic composition, electronic device and the production method: A production method of a dielectric ceramic composition comprising a main component including barium titanate expressed by a composition formula of BamTiO2+m, wherein “m” satisfies 0.990<m<1.010, and a fourth subcomponent including an oxide of R (note that R is at least one kind selected from Y, La, Ce, Pr, Nd,... Agent: Oliff & Berridge, PLC

20070197366 - Glass composition and method for producing glass article: The glass composition of the present invention is an inorganic glass composition in which the volume ratio of helium with a mass number of 3 to helium with a mass number of 4, namely 3He/4He in the glass (0° C., 1 atm) is smaller than the volume ratio 3He/4He in... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070197367 - Optical glass: An optical glass has a refractive index (nd) of 1.60 or over and excellent transmittance and internal quality. The optical glass comprises 0.1-4 mass % of Ta2O5 to total mass of glass calculated on oxide basis, has ratio of 0.95<Ta2O5/(Ta2O5+(ZrO2)+TiO2+Nb2O5+WO3)×5)≦1.00, and further comprises SiO2+B2O3+Al2O3+BaO in a total amount of 81%... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070197368 - Transparent zirconia sintered body: A primary sintered body having a density of 95% or more obtained by sintering a zirconia powder comprising an yttria main component as a stabilizer under ordinary pressure is set in a vessel of a semi-sealed state and subjected to HIP treatment (secondary sintering) at a temperature of from 1,600... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070197369 - Alumina-titanium oxide-zirconia fused grain: p

20070197370 - Lead zirconate titanate type composition, process for producing the same, piezoelectric body, and piezoelectric device: A lead zirconate titanate type composition contains a three-component system lead zirconate titanate (X), which may be represented by the general formula of Pb(Ni, Nb)O3—PbZrO3—PbTiO3, an (A) constituent, which is Pb in excess of a quantity conforming to a stoichiometric ratio, a (B) constituent, which is Zn, and a (C)... Agent: Sughrue Mion, PLLC

20070197371 - Dielectric glass-ceramic composition, dielectric glass-ceramic substrate and manufacturing method thereof: A dielectric glass-ceramic substrate composed of a dielectric glass-ceramic composition is disclosed. The dielectric glass-ceramic composition includes a ceramic material and a Ba—B—Si glass material. Also, a method of manufacturing a dielectric glass-ceramic substrate includes steps of: mixing a ceramic material and a Ba—B—Si glass material with an organic carrier,... Agent: Birch Stewart Kolasch & Birch

20070191207 - Glass compositions having high thermal and chemical stability and methods of making thereof: Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (AMLCDs). In accordance with certain of its aspects, the glasses possess good dimensional stability as a function of temperature.... Agent: Corning Incorporated

20070191209 - Ceramic optical parts and production methods thereof: A ceramic material for an optical member which shows black, wherein the ceramic material comprises a reaction-sintered sintered ceramic body prepared by synthesizing a formed body of a mixture comprising a ceramic raw material and a component that accelerates blackening, making use of a reaction sintering; and wherein the ceramic... Agent: Sughrue-265550

20070191202 - Segmented superconducting tape having reduced ac losses and method of making: A superconducting tape having reduced AC losses. The tape has a high temperature superconductor layer that is segmented. Disruptive strips, formed in one of the tape substrate, a buffer layer, and the superconducting layer create parallel discontinuities in the superconducting layer that separate the current-carrying elements of the superconducting layer... Agent: Los Alamos National Security, LLC

20070191203 - Lead-free glass material for use in sealing and, sealed article and method for sealing using the same: Provided with a glass composition including a network-former oxide composed of any one of or both of B2O3 and V2O5 of 20-80% by weight, ZnO of 0-60% by weight and BaO of 0-80% by weight, wherein at least one of ZnO and BaO is included as an essential ingredient. The... Agent: Schweitzer Cornman Gross & Bondell LLP

20070191204 - Method for producing a granulate of waste glass, and its use for the manufacture of mineral wool products: The present invention relates to a method for producing a granulate from waste glass for the manufacture of mineral wool products, such as mineral wool board or mineral wool web, in particular biosoluble glass wool obtained with the aid of at least one spinner having the form of a spinner... Agent: Akerman Senterfitt

20070191206 - Glass ceramic or glass body that can be subjected to great thermal loads and is decorated with a color based on a melted silicate containing effect pigments: The invention relates to a glass ceramic or glass body that can be subjected to great thermal loads and is decorated with a color based on a melted silicate containing effect pigments. In order to reduce the protective look provided by the decoration, the melted silicate contains special effect pigments... Agent: Striker Striker & Stenby

20070191205 - Low-luminous-transmittance glass: e

20070191208 - Dark grey soda-lime-silica glass composition which is intended for the production of glazing:

20070191210 - Cutting tool insert and method for producing the same: An improved cutting tool insert and a method for the preparation of such cutting tool insert, having a sintered alumina and silicon carbide whisker composite material body, comprising the steps of milling and mixing the powdered starting materials of said composite material and forming said material into a preformed workpiece,... Agent: Drinker Biddle & Reath (dc)

20070191211 - Electronic device, dielectric ceramic composition and the production method: A dielectric ceramic composition comprising a main component including BaTiO3, a fourth subcomponent including an oxide of R1 (note that R1 is at least one selected from Y, Ho, Er, Tm, Yb and Lu) and a fifth subcomponent including an oxide of R2 (note that R2 is at least one... Agent: Oliff & Berridge, PLC

20070184965 - Cerium-based oxide fiber and its fabricating method: This invention discloses a kind of cerium-based oxide fiber and its fabricating method. The cerium-based hydrate fiber can be synthesized by aging under the boiling point of water for 10 hours to 50 hours by the addition of a chemical modifier. The fibers show a diameter of submicron to micron... Agent: Troxell Law Office PLLC One Skyline Place

20070184963 - Lead-free glass material for use in sealing and, sealed article and method for sealing using the same: Provided with a glass composition including a network-former oxide composed of any one of or both of B2O3 and V2O5 of 20-80% by weight, ZnO of 0-60% by weight and BaO of 0-80% by weight, wherein at least one of ZnO and BaO is included as an essential ingredient. The... Agent: Schweitzer Cornman Gross & Bondell LLP

20070184964 - X-ray opaque glass, method for the production and use thereof: The invention relates to a x-ray opaque glass which belongs to a SiO2 and Yb2O3 system and can contain, when necessary, additives for adapting the properties thereof. A method for producing said glass and for using it, in particular in the form of a dental glass are also disclosed.... Agent: Striker Striker And Stenby

20070184966 - Aluminum nitride powder and aluminum nitride sintered compact: To provide an aluminum nitride powder and an aluminum nitride sintered body which satisfy both high thermal conductivity of an aluminum nitride sintered body and reduction in the shrinkage factor at the time of sintering. An aluminum nitride powder characterized in that it has local maximum values in size in... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070179038 - Optical glass: An optical glass has optical constants of a refractive index (nd) within a range from 1.73 to less than 1.80 and an Abbe number (νd) within a range from 43 to 55, comprises SiO2, B2O3, Y2O3, La2O3, ZnO and Li2O as essential components, is substantially free of lead component, arsenic... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070179039 - Soda-lime silica glass compositions and applications: The subject of the invention is a glass composition of the silica-soda-lime type, intended for the manufacture of substrates or sheets, the said glass composition having a φ coefficient of between 0.50 and 0.85 N/(mm2·° C.) and a working point of less than 1200° C.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070179040 - Ai203 dispersion-strengthened ti2ain composites and a method and producing the same: The invention provides Al2O3 dispersion-strengthened Ti2AlN composites, wherein Ti2AlN matrix and Al2O3 strengthening phase both are reactively formed in situ. The volume fraction of Al2O3 is 5% to 50%; the particle size of Al2O3 ranges from 500 nm to 2 μm, with the mean size of Al2O3 particles about 0.8... Agent: Knobbe Martens Olson & Bear LLP

20070179041 - Zirconia ceramic: A multi-component powder is described for consolidation to form a sinterable green body for a zirconia ceramic. The multi-component powder comprises at least 80% by volume of nano-sized particles of zirconia and up to 20% by volume of a stabilising agent which may form a coating around the nano-sized particles... Agent: Edell, Shapiro & Finnan, LLC