Compositions: ceramic inventions 01/07

20070021287 - Method of manufacturing glass and compositions thereof: A solid state particle agglomerate and method for producing the solid state particle agglomerate are provided. The alkaline earth metal source material, aluminum source material and silicon source material that comprise the solid state particle agglomerate are uniformly distributed and in close proximity within the solid state particle agglomerate, enabling... Agent: Leon Nigohosian, Jr.

20070021288 - Red glass, process for manufacturing red glass, and tinted bulbs and tubes obtained with such a glass: The invention relates to a bulk-tinted red glass formed from a glass batch based on a soda-lime-silica composition, to a process for manufacturing red glass and to a bulb obtained from a blank or a tube manufactured with such a glass. The batch comprises, per 100% by weight of the... Agent: Banner & Witcoff

20070021289 - Clear glass composition with high visible transmittance: A high transmittance fairly clear/neutral colored glass composition is provided. An oxidizing agent(s) such as cerium oxide (e.g., CeO2) or the like is added to the glass batch in order to realize very oxidized conditions (i.e., to significantly lower the redox of the resulting glass). As a result of the... Agent: Nixon & Vanderhye, PC

20070021290 - Carbide and nitride ternary ceramic glove and condom formers: A slip-cast article former containing ternary ceramics, particularly of carbide and nitride materials, having the formula Mn+1AXn(MAX), where M is a transition metal, A is an element from Groups IA and IVA of the periodic table, X is nitrogen or carbon and n is 1, 2, or 3. The ternary... Agent: Karen M. Whitney Diehl Servilla LLC

20070021291 - Method for increasing the strength of porous ceramic bodies and bodies made therefrom: A porous ceramic body having increased strength is formed by exposing a porous ceramic body to a source of boron and heating the porous body to a sufficient temperature in an oxygen containing atmosphere to form the porous ceramic body. The porous ceramic body has a boron containing oxide glassy... Agent: The Dow Chemical Company

20070021292 - Fine a-alumina particle: The present invention provides a fine α-alumina particle having a degree of α-transformation of not less than 95%, a BET specific surface area of not less than 10 m2/g, a degree of necking of not more than 30%, and a total content of Si, Fe, Cu, Na and Mg of... Agent: Sughrue Mion, PLLC

20070015651 - Optical glass, press-molding glass gob and optical element: An optical glass having a remarkably high refractive index and excellent stability can be give without being based on PbO, and the optical glass contains, as essential components, at least one oxide selected from La2O3, Gd2O3, Y2O3, Yb2O3, TiO2, Nb2O5 or WO3, at least one oxide selected from MgO, CaO,... Agent: Nixon & Vanderhye, PC

20070015652 - Sintered materials: Sintered materials, especially sintered glasses, produced from pyrogenically produced silicon dioxide which has been processed to silicon granulates in a compacting step, and the use of such granulates in the production of formed glass bodies.... Agent: Smith, Gambrell & Russell

20070015653 - Method of making a float glass convertible into a glass ceramic and float glass made thereby: wherein ΔT=TKGmax−TUEG, and KGmax=maximum crystal growth rate in μm min−1. The float glass has a thickness below an equilibrium thickness, a net width of at least 1 m and has no more than 50 crystals with a size of more than 50 μm, especially no crystals with a size of... Agent: Striker, Striker & Stenby

20070015654 - Glass composition with high visible light transmission and low ultraviolet light transmission: The invention is a glass composition with high visible light transmission and low ultraviolet light transmission, comprising, in weight percentage, less than 0.03 wt % of ferric oxide, from 0.05 to 1 wt % of titanium oxide and from 0 to 0.6 of cerium oxide, the glass having greater than... Agent: Abelman, Frayne & Schwab

20070015655 - Hollow piece for producing a sintered refractory product exhibiting improved bubbling behaviour: The invention relates to a hollow piece for producing a sintered refractory having the following mean mineral chemical composition in weight percent based of mineral oxides: 40%=Al2O3=94%, 0%=ZrO2=41%, 2%=SiO2=22%, 1%<Y2O3+V2O5+TiO2+Sb2O3+Yb2O3+Na2O.... Agent: Young & Thompson

20070010390 - Bismuth containing fluorophosphate glass and method for making thereof: New and improved compositions of doped and co-doped bismuth fluorophosphate glasses for lasers is disclosed that have a high refractive index (nD) of approximately 1.6 and higher, high transmission in the near infrared part of the spectrum, and a wide glass forming domain. The disclosed glass systems Al(PO3)3-Ba(PO3)2-Bi(PO3)3-BaF2+RFx+dopands use dopants... Agent: Peter Ganjian

20070010391 - Lightweight boron carbide materials with improved mechanical properties and process for their manufacture: This disclosure describes sintered bodies comprising about 90 wt % to about 99 wt % of boron carbide, wherein the B:C atomic ratio ranges from 3.8 to 4.5:1; 0 to 1 wt % free carbon; 0 to 1 wt % BN or AlN, remainder an oxide binder phase; said sintered... Agent: Leonard Tachner, A Professional Law Corporation

20070010392 - Materials based on sialon's: Know Si3N4 and SiAlON cutting materials become, at the beginning, rounded very quickly on the cutting edge during usual long continuous cuts in gray cast iron (GG) which is described as initial wear. The invention thus provides that the raw material mixture of the material comprised of: component A, an... Agent: Fulbright & Jaworski, LLP

20070004578 - Glass-ceramic materials, precursor glass thereof and process for making the same: The invention relates to: a method of preparing glass-ceramics of β-quartz and/or of β-spodumene; a method of preparing articles made from said glass-ceramics; novel glass-ceramics of β-quartz and/or of β-spodumene; articles made from said novel glass-ceramics; and lithium aluminosilicate glasses, which are precursors of such novel glass-ceramics. The present invention... Agent: Corning Incorporated

20070004579 - Synthetic silica material with low fluence-dependent-transmission and method of making the same: Disclosed in the application are a synthetic silica glass having low fluence-dependent transmission, particularly at about 193 nm, and a process for making the same. The glass may desirably exhibit a low level of fluorescence at 290 and 390 nm when activated at about 248 nm. The glass may desirably... Agent: Corning Incorporated

20070004580 - Aluminum-free borosilicate glass and applications thereof: The fluorescent lamp is made with an aluminum-free borosilicate glass having a composition, in percent by weight, based on oxide content of: SiO2, 65-77; B2O3, 7-20; Li2O, 0-2; Na2O, 0-4; K2O, 3-12; MgO, 0-2; CaO, 0-2; with MgO+CaO, 0-3; BaO, 0-3: ZnO, 0-2; ZrO2, 0.8-12; TiO2, 0-10; CeO2, 0-1; and... Agent: Striker, Striker & Stenby

20070004581 - Optical glass and optical element: The optical glass of the invention comprising: SiO2: 10 to 30%, B2O3: 15 to 35%, Li2O: 0 (inclusive) to 10%, Na2O: 0 (inclusive) to 5%, and K2O: 0 (inclusive) to 5% provided that Li2O+Na2O+K2O: 0 to 15%; MgO: 0 (inclusive) to 25%, CaO: 0 (inclusive) to 25%, BaO: 0 (inclusive)... Agent: Sidley Austin LLP