Compositions: ceramic inventions 03/07

20070072760 - Ultraviolet and infrared absorptive greenish glass: The present invention relates to an ultraviolet and infrared absorptive greenish glass (the first glass) containing in weight % expression at least coloring components of 0.3-0.5% of total Fe2O3, 0.8-2.0% CeO2, 0.8-2.0% TiO2, and 0.10-0.25% of FeO. This first glass may be an ultraviolet and infrared absorptive greenish glass (the... Agent: Crowell & Moring LLP Intellectual Property Group

20070072761 - Manufacturing method of ceramic body with excellent adiabatic capacity: The present invention relates to a porous ceramic body with excellent thermal insulation property. The inventive method comprises: an impregnation step in which a polymer sponge having a three-dimensional porous network structure with open cells is immersed in an inorganic adhesive, such that the polymer sponge is completely impregnated with... Agent: Park Law Firm

20070072762 - Method of making ceramic discharge vessels using stereolithography: A method of manufacturing a ceramic discharge vessel for a lamp application is described. The method uses a low viscosity suspension of ceramic powder in a liquid resin. The discharge vessel is formed layer by layer using a stereolithography system. Preferably, the layers are formed by locally exposing the ceramic-resin... Agent: Osram Sylvania Inc

20070072763 - Rare-earth sintered body and manufacturing method: The object of the present invention is to provide a rare-earth oxide sintered body having low sintering temperature and high density. A boron compound is added at a ratio of 0.06 mol % or more and less than 25 mol % when converted into boron oxide (B2O3) to oxide powder... Agent: Carrier Blackman And Associates

20070066477 - Fused silica glass and method for making the same: Disclosed are methods for hydrogen loading silica glass and silica glass comprising loaded H2. The methods can lead to H2 gradient in the glass material. Alternatively, the method may involve the use of varying H2 partial pressure of H2 in the atmosphere. Both can result in expedited hydrogen loading process.... Agent: Corning Incorporated

20070066478 - Yttria sintered body and manufacturing method therefor: To provide a yttria sintered body having an excellent corrosion resistance to halogen-based corrosive gases and plasma and an excellent thermal shock resistance, and adapted for use as a component member in manufacturing apparatuses for semiconductor and liquid crystal devices, particularly in a plasma process apparatus. A yttria sintered body... Agent: Foley And Lardner LLP Suite 500

20070060463 - Method for producing metallic and ceramic hollow bodies: The invention relates to a method for producing a hollow body comprising at least one metallic or ceramic component, wherein a binder is mixed with a ceramic and/or metallic powder and the viscosity is set to a value in excess of 1000 Pa-s and the mixture then formed into a... Agent: Ursula B. Day Henry M. Feiereisen, LLC

20070060464 - Optical glass, precision press-molding preform and optical element: Provided is an optically uniform and high-quality optical glass that is free from the occurrence of striae when a precision press-molding preform is produced therefrom, and that is a fluorine-containing glass having a refractive index nd(1) wherein the refractive index nd(1) and a refractive index nd(2) are substantially equivalent to... Agent: Nixon & Vanderhye, PC

20070060465 - Chemically strengthened lithium aluminosilicate glass having high strength effective to resist fracture upon flexing from impact of high velocity projectiles: Chemically strengthened lithium aluminosilicate glass is characterized by a surface compression of at least 100,000 psi and a compression case depth of at least 600 microns. The glass also may be characterized by a compression at 50 microns below a surface of the glass that is at least 30,000 psi.... Agent: Pearne & Gordon LLP

20070060466 - Bearings produced from silicon nitride substances containing sintering additives and sio2: The present invention is directed to bearings produced from a silicon nitride material. The silicon nitride material consists of a sintering aid selected from the group consisting of Al2O3 and Y2O3, silicon dioxide, and optionally, up to 10 mole %, based on the amount of silicon nitride, of an additive... Agent: Bayer Material Science LLC

20070060467 - Perovskite type oxide material, piezoelectric element, liquid discharge head and liquid discharge apparatus using the same, and method of producing perovskite type oxide material: ABO3 where site A includes Pb as a main component and site B includes a plurality of elements, wherein the perovskite type oxide includes a plurality of crystal phases selected from the group consisting of tetragonal, rhombohedral, orthorhombic, cubic, pseudo-cubic and monoclinic systems and the plurality of crystal phases are... Agent: Fitzpatrick Cella Harper & Scinto

20070054793 - Forehearth concentrate and method for opalization of glass: The invention provides an opalescent forehearth color concentrate comprising a non-smelted agglomerated interspersion of particles for use in coloring glass, said concentrate comprising by weight from about 10% to about 70% of a glass component and from about 30% to about 90% of one or more opalescent pigments, the glass... Agent: Rankin, Hill, Porter & Clark, LLP

20070054794 - Optical glass: The optical glass contains Bi2O3 in a content from no less than 10% by weight to less than 90% by weight, and has at least one of the properties of being substantially free from opacification and being substantially devitrified within the glass body under the conditions of a reheating test... Agent: Squire, Sanders & Dempsey L.l.p.

20070054795 - Lead and arsenic free optical hard crown glasses: e

20070054796 - Uv absorbing gray glass composition: A novel glass composition is disclosed. The glass composition includes a base glass composition made up of SiO2 from 65 to 75 weight percent, Na2O from 10 to 20 weight percent, CaO from 5 to 15 weight percent, MgO from 0 to 5 weight percent, Al2O3 from 0 to 5... Agent: Jacques B. Miles Ppg Industries, Inc.

20070054797 - Siliceous clay slurry: A clay slurry with a solids content of at least about 60 weight percent and a casting rate of at least 60 grams per hour, wherein said slurry contains from about 61.5 to about 71.5 weight percent of silica, from about 18.8 to about 26.8 weight percent of alumina, and... Agent: Howard J. Greenwald P.c.

20070049481 - Inorganic fiber and method for manufacturing the same: Disclosed herein is a bio-soluble inorganic fiber with high tensile strength, manufactured in a method comprising: heating and melting a raw material which includes, on a weight basis, 60 to 80 percent of SiO2, 5 to 20 percent of MgO, 5 to 30 percent of CaO, 0.5 to 5 of... Agent: Oliff & Berridge, PLC

20070049482 - Synthetic quartz glass substrate for excimer lasers and making method: When a synthetic quartz glass substrate is prepared from a synthetic quartz glass block, (I) the block has a hydrogen molecule concentration of 5×1017-1×1019 molecules/cm3, (II) the substrate has a hydrogen molecule concentration of 5×1015-5×1017 molecules/cm3, (III) the substrate has an in-plane variation of its internal transmittance at 193.4 nm... Agent: Birch Stewart Kolasch & Birch

20070049483 - Optical glass, precision press-molding preform, process for the production thereof, optical element and process for the production of the element: Provided is a precision press-molding optical glass that is not easily degraded in quality by the occurrence of an altered layer such as fogging or yellowing on a surface and that comprises B2O3, ZnO, La2O3 and ZrO2 and contains, by mol %, 0 to less than 0.5% of Li2O, 20... Agent: Nixon & Vanderhye, PC

20070049484 - Nanocomposite ceramics and process for making the same: A nanocomposite ceramic composition and method for making the same, the composition comprising a uniform dispersion of nanosize ceramic particles composed of at least one ceramic phase, interspersed and bound throughout a tough zirconia matrix phase.... Agent: Kenneth Watov Watov & Kipnes, P.C.

20070049485 - Inorganic dielectric powder for composite dielectric material and composite dielectric material: It is an object of the present invention to provide an inorganic dielectric powder used for a composite dielectric material, the inorganic dielectric powder having high filling properties and expressing a high dielectric constant when used as a composite dielectric. It is another object of the present invention to provide... Agent: Smith Patent Office

20070049486 - Substituted barium titanate and barium strontium titanate ferroelectric compositions: This invention provides the three novel La,Fe, La,Cr and Sm,Fe substituted barium titanate solid solution ferroelectric compositions with the formula Ba1-xLnxTi1-xMxO3 wherein when Ln is La, M is Fe or Cr, when Ln is Sm, M is Fe and x is from about 0.02 to about 0.06 and mixtures thereof,... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070049487 - Synthesized hybrid rock composition, method, and article formed by the method: The invention relates to synthetic hybrid rock compositions, articles of manufacture and related processes employing mineral waste starting materials such as mine tailings, mine development rock, ash, slag, quarry fines, and slimes, to produce valuable articles of manufacture and products, which are characterized by superior physical and structural characteristics, including... Agent: Pamela W. Bertani Weintraub Genshlea Chediak Sproul