Compositions: ceramic inventions 05/07

20070123409 - Current stabilizing device using quartz ball: A current stabilizing device is provided herein, which mainly contains a closed enclosure and at least a quartz ball. The enclosure has at least a spherical chamber for accommodating the quartz ball. Along the inner wall of the spherical chamber, there is a protruding rib whose inner diameter is smaller... Agent: Leong C Lei

20070123410 - Crystallization-free glass frit compositions and frits made therefrom for microreactor devices: The invention is directed to a glass composition that can be used to make glass frits suitable for use in the manufacturing of microreactors. The glass compositions, after final sintering to produce a finished microreactor, have a surface crystalline layer of 30 μm or less, or are completely amorphous throughout.... Agent: Corning Incorporated

20070123411 - Optical glass and optical element: Optical glass for press-molding of the present invention includes the following glass components in % by weight: 10 to 38% of SiO2, 15 to 40% of B2O3, 4 to 14% of Li2O, 0 to 5% (zero inclusive) of Na2O, 0 to 5% (zero inclusive) of K2O, where a total content... Agent: Sidley Austin LLP

20070123412 - Ceramic with improved high temperature electrical properties for use as a spark plug insulator: An insulator including alumina in an amount between about 90 and about 99% by weight and an oxide mixture or glass mixture including Boron Oxide, Phosphorus Oxide, or both Boron and Phosphorus Oxide.... Agent: Dickinson Wright PLLC

20070123413 - Dielectric ceramic composition and monolithic ceramic capacitor: A dielectric ceramic composition contains a substance represented by general formula 100(Ba1-xCax)mTiO3+aMnO+bCuO+cROn (wherein the coefficients 100, a, b, and c each represent mols; R represents at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and... Agent: Dickstein Shapiro LLP

20070117707 - Glass plate and method for tempering a glass plate: A glass plate; a glass plate having a thickness of 2 to 3 mm; a glass plate obtained by a float process; and, a window glass for automobiles.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070117708 - Glass compositions: Disclosed are glass compositions and glass fibers formed from certain embodiments of the disclosed glass compositions. Certain embodiments of the glass compositions include, among other components, bismuth oxide. Certain embodiments of the glass composition include about 0.5-30% bismuth oxide of the composition by weight and silica oxide at about 54-70%... Agent: Klarquist Sparkman, LLP

20070111875 - Optical glass, precision press molding preform and manufacturing method of the same, optical element and manufacturing method of the same: The optical glass comprises equal to or greater than 5 mole percent of P2O5, has an Abbé number of equal to or greater than 58 and a glass transition temperature of equal to or less than 570 degree Celsius, and has an alkalinity resistance defined as a rate of weight... Agent: Sughrue Mion, PLLC

20070111876 - Lead free glass(es), thick film paste(s), tape composition(s) and low temperature cofired ceramic devices made therefrom: A glass composition consisting essentially of, based on mole percent, 46-56% B2O3, 0.5-8.5% P2O5, SiO2 and mixtures thereof, 20-50% CaO, 2-15% Ln2O3 where Ln is selected from the group consisting of rare earth elements and mixtures thereof; 0-6% M′2O where M′ is selected from the group consisting of alkali elements;... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070111878 - Extrudable mixture for forming a porous block: An extrudable mixture is provided for producing a highly porous substrate using an extrusion process. More particularly, the present invention enables fibers, such as organic, inorganic, glass, ceramic or metal fibers, to be mixed into a mass that when extruded and cured, forms a highly porous substrate. Depending on the... Agent: Geo2 Technologies

20070111879 - Zirconia-alumina nano-composite powder and preparation method thereof: Provided are a multi-component ceramic nano-composite powder that is suitable for forming a sintered ceramic composite and a method of preparing the same. The ceramic nano-composite powder is formed of secondary particles obtained by sintering multi-component ceramic particles with a nano-sized primary particle diameter in nano-scale. The multi-component ceramic particles... Agent: Mckenna Long & Aldridge LLP

20070111880 - Aluminium oxide powder produced by flame hydrolysis and having a large surface area: Aluminium oxide powder produced by flame hydrolysis and consisting of aggregates of primary particles, having a BET surface area of from 100 to 250 m2/g, a dibutyl phthalate absorption of from 50 to 450 g/100 g of aluminium oxide powder, which powder shows only crystalline primary particles in high-resolution TEM... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070105700 - Lamp reflector substrate, glass, glass-ceramic materials and process for making the same: The present invention relates to glass, glass-ceramic materials, lamp reflectors and processes for making them. The glass material has a composition, by weight of the total composition, comprising 56-67% SiO2; 9-22% Al2O3; 3.4-3.8% Li2O; 1.8-2.6% ZnO; 1.5-2.5% MgO; 3.3-5% TiO2; 0-2.5% ZrO2; 1.5-3% B2O3; 0-6% P2O5; 0-0.6% F; less than... Agent: Corning Incorporated

20070105701 - Method of manufacturing high performance glass fibers in a refractory lined melter and fiber formed thereby: A method of forming high strength glass fibers in a refractory lined glass melter is disclosed. The refractory fined melter is suited to the batch compositions disclosed for the formation high modulus, and high-strength glass fibers. The glass composition for use in the method of the present invention is up... Agent: Owens Corning

20070105702 - Optical glass and lens: An optical glass consisting essentially of, as represented by mol %, from 35 to 54% of TeO2, from 0 to 10% of GeO2, from 5 to 30% of B2O3, from 0 to 15% of Ga2O3, from 0 to 8% of Bi2O3, from 3 to 20% of ZnO, from 0 to... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070105704 - Deuteroxyl-doped silica glass, optical member and lithographic system comprising same and method of making same: What is disclosed includes OD-doped synthetic silica glass capable of being used in optical elements for use in lithography below about 300 nm. OD-doped synthetic silica glass was found to have significantly lower polarization-induced birefringence value than non-OD-doped silica glass with comparable concentration of OH. Also disclosed are processes for... Agent: Corning Incorporated

20070105703 - Deuteroxyle-doped silica glass, optical member and lithographic system comprising same and method of making same: What is disclosed includes OD-doped synthetic silica glass capable of being used in optical elements for use in lithography below about 300 nm. OD-doped synthetic silica glass was found to have significantly lower polarization-induced birefringence value than non-OD-doped silica glass with comparable concentration of OH. Also disclosed are processes for... Agent: Corning Incorporated

20070105705 - Porous ceramic and method for manufacturing the same: Porous ceramic having a homogenous pore structure in which pores having radii in a narrow range of 300 to 4000 nm occupy 90% or more of the total pore capacity. The porous ceramic is manufactured by a method including a first step of drying an initial composition containing waste as... Agent: Daniel B. Schein, Ph.d., Esq., Inc.

20070105706 - Ceramic armor: A dense, hard body having good fracture toughness, hardness and a high capacity to absorb impacts which is also useful as lightweight armor. The body is an eutectic of either (a) two carbides selected from boron carbide (B4C), silicon carbide (SiC), titanium carbide (TiC), tantalum carbide (TaC), tungsten carbide (WC),... Agent: Fitch Even Tabin And Flannery

20070105707 - Method for manufacturing honeycomb structure: There is provided a method for manufacturing a honeycomb structure, wherein a raw material containing Al2O3 is used as the ceramic raw material, and a low melting point reacting substance is allowed to be contained in the clay at least before being formed to obtain a honeycomb structure having a... Agent: Oliff & Berridge, PLC

20070105708 - Transparent rare-earth oxide sintered body and manufacturing method thereof: The invention intends to obtain a transparent yttrium oxide sintered body of which in-line transmittance in a visible wavelength region of 400 to 800 nm at a thickness of 1 mm is 60% or more, without using aluminum that readily segregates in grain boundaries of yttrium oxide, without using special... Agent: Foley And Lardner LLP Suite 500

20070099786 - 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: Joe A. Brock, Ii, Esq. Patent Venture Group

20070099787 - Aluminophosphate glass containing copper (ii) oxide and uses thereof for light filtering: Aluminophosphate glasses containing copper(II) oxide having a low transmission in the near infrared range with a steep absorption edge, as well as a very uniform high transparency in the visible range and excellent chemical durability under conditions of exposure to elevated temperature and high relative humidity, are particularly suitable as... Agent: Millen, White, Zelano & Branigan, P.C.

20070099788 - Gray glass composition: A glass composition that includes a base glass composition including: 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 weight percent, K2O from 0 to 5... Agent: Jacques B. Miles Ppg Industries, Inc.

20070099789 - Gray glass composition: A glass composition that includes a base glass composition including: 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 weight percent, K2O from 0 to 5... Agent: Jacques B. Miles Ppg Industries, Inc.

20070099790 - Inorganic block co-polymers and other similar materials as ceramic precursors for nanoscale ordered high-temperature ceramics: The present invention is generally directed to methods of making ceramics with nanoscale/microscale structure involving self-assembly of precursor materials such as, but not limited to, inorganic-based block co-polymers, inorganic-/organic-based hybrid block co-polymers, and other similar materials, and to the structures made by such methods. Where such precursor materials are themselves... Agent: General Electric Company Global Research

20070099791 - Inorganic block co-polymers and other similar materials as ceramic precursors for nanoscale ordered high-temperature ceramics: The present invention is generally directed to methods of making ceramics with nanoscale/microscale structure involving self-assembly of precursor materials such as, but not limited to, inorganic-based block co-polymers, inorganic-/organic-based hybrid block co-polymers, and other similar materials, and to the structures made by such methods. Where such precursor materials are themselves... Agent: Ge Global Research GlobalIP& Legal Operation

20070099792 - Carbon nanotube reinforced thermoplastic polymer composites achieved through benzoyl peroxide initiated interfacial bonding to polymer matrices: In some embodiments, the present invention is directed to methods of fully integrating CNTs and the surrounding polymer matrix in CNT/polymer composites. In some such embodiments, such integration comprises interfacial covalent bonding between the CNTs and the polymer matrix. In some such embodiments, such interfacial covalent bonding is provided by... Agent: Winstead Sechrest & Minick P.C.

20070099793 - Low thermal expansion foundry media: Foundry media having a low coefficient of thermal expansion, and methods and materials for producing the media.... Agent: Haynes And Boone, LLP