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Compositions: ceramic November recently filed with US Patent Office 11/11

20110287921 - Process for producing aluminum titanate-based fired body: The invention is to provide a process for producing a fired body comprising an aluminum titanate-based ceramic of which the shrinkage ratio in firing (firing shrinkage ratio) can be suppressed low and which is excellent in thermal decomposition resistance. The invention is a process for producing an aluminum titanate-based fired... Agent: Sumitomo Chemical Company, Limited

20110287922 - Fluorophosphate glass, glass material for press molding, optical element blank, optical element, processes for production of same, and process for production of glass moldings: The present invention provide a fluorophosphate glass comprising 3 to 25 cation % of P5+, more than 30 cation % and 40 cation % or less of Al3+, 0.5 to 20 cation % of Li+ and 65 anion % or more of F− as glass ingredients, and having a liquid... Agent: Hoya Corporation

20110287923 - High-toughness zeta-phase carbides: A ceramic material having a high toughness can include carbon and a transition metal. The transition metal can have an elemental body centered cubic structure at room temperature. A substantial amount of the ceramic can be of a rhombohedral ζ phase of the transition metal and carbon. These materials can... Agent: University Of Utah Research Foundation

20110287924 - Methods of forming at least a portion of earth-boring tools, and articles formed by such methods: Methods of forming at least a portion of an earth-boring tool include providing particulate matter comprising a hard material in a mold cavity, melting a metal and the hard material to form a molten composition comprising a eutectic or near-eutectic composition of the metal and the hard material, casting the... Agent: Baker Hughes Incorporated

20110287925 - Method of preparing ceramic powders using ammonium oxalate: Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and an ammonium oxalate precipitant can be used in a coprecipitation procedure for the preparation of ceramic powders. Both the precursor solution and the ammonium oxalate precipitant solution are at neutral or near-neutral pH. A composition-modified barium titanate... Agent: Eestor, Inc.

20110281717 - Dielectric materials: A dielectric material is provided. The material includes Ca1-x-yBaxSryTi1-zCrzO3-δAp, wherein A is nitrogen, fluorine, or combinations thereof; x and y can vary between the value of zero and one such that 0<x<1 and 0<y<1; z can vary between the value of zero and 0.01 such that 0≦z≦0.01; and δ and... Agent: General Electric Company

20110281718 - Dielectric materials: A dielectric material is provided. The material includes α[Ca1-x-yBaxSry(Ca1-zCuz)Cu2-pLa2p/3Ti4-qMqO12-δ]+(1−α)[BarSr1-rTiO3], wherein M is aluminum, chromium, zirconium, or combinations thereof; x can vary between the value of zero and 0.1 such that 0≦x≦0; y, z, and r can vary between the value of zero and 1 such that 0≦y≦1, 0≦z≦1, and 0≦r≦1;... Agent: General Electric Company

20110275505 - Sinterable semi-coke powder with high bulk density: In a continuous method for production of a semicoke powder with high bulk density and flowability, a sinterable carbon powder (semicoke) is dispersed in water with addition of at least one binder and at least one liquefier, wherein the proportion of carbon in the dispersion is adjusted to at least... Agent: Rutgers Chemicals Gmbh

20110275506 - Low iron high transmission glass with boron oxide for improved optics, durability and refining, and corresponding method: This invention relates to a high transmission low iron glass that includes boron oxide. The boron oxide, added to this low iron glass, has the effect of improving glass refining, homogeneity and quality (lower seed count) through its flux action and improves glass optical parameters of green and clear glass... Agent: Guardian Industries Corp.

20110275507 - Method for forming a dielectric film and novel precursors for implementing said method: The invention relates to dielectric layers with a low dielectric constant, said layers being used to separate metallic interconnections especially during the production of integrated circuit boards (in the BEOL part of the circuit). According to the invention, the dielectric layer comprises SiC and/or SiOC, and is obtained from at... Agent: L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude

20110269615 - Compositions and methods for converting hazardous waste glass into non-hazardous products: The present invention provides compositions and methods for converting hazardous waste glass into safe and usable material. In particular, the present invention provides compositions and methods for producing ceramic products from toxic-metal-containing waste glass, thereby safely encapsulating the metals and other hazardous components within the ceramic products.... Agent: The Catholic University Of America

20110269616 - Tumbled, polished, vibrated broken tempered glass pieces: An invention is provided for creating smoothed, heat-treated glass fragments. The invention includes placing a plurality of heat-treated glass fragments into a tumbling or vibrating apparatus. Each heat-treated glass fragment is formed from glass that has been heated to a temperature of at least 1000° Fahrenheit and rapidly cooled to... Agent:

20110269617 - Optical glass: An optical glass having optical constants of a refractive index (nd) of 1.78 or over, an Abbe number (νd) of 30 or below, and a partial dispersion ratio (θg, F) of 0.620 or below comprises SiO2 and Nb2O5 as essential components, wherein an amount of Nb2O5 in mass % is... Agent: Ohara Inc.

20110269618 - Nano-crystalline dental ceramics: Unlike conventional dental ceramic powder made by grinding, dental ceramic nanocrystals are formed by vaporization into individual particles. Tetragonal zirconia particles thus formed are not broken into pieces, and so do not transform to weaker monoclinic zirconia and weaker sintered products. The particles created by this approach can be much... Agent: