Compositions: ceramic inventions 08/08

20080207424 - Bismuth-containing glass, glass-ceramic, articles and fabrication process: Bi-containing glass-ceramic material, especially those containing β-quartz and/or β-spodumene solid solutions as the predominant crystalline phase, and the precursor glass material as well as process of making such glass-ceramic material and articles. The glass-ceramic can be made to have a dark color, and essentially to be free of V2O5, As2O3... Agent: Corning Incorporated

20080207425 - Glass ceramics for laser systems: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally β-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals.... Agent: Darby & Darby P.c.

20080207426 - Heat insulating composite and methods of manufacturing thereof: Heat insulating panels are widely used in various domains, for example construction sites or hospitals. These panels require adhesives which may generate heat when the panels are subjected to high temperatures. In the field of high temperature insulation, ceramics are brittle and may not be suitable in some applications. This... Agent: Kaplan Gilman Gibson & Dernier L.l.p.

20080207427 - Phosphate optical glass: A phosphate optical glass comprising, as glass components by mass %, from 73 to 85 of P2O5, from 14 to 26 of Al2O3, from 1 to 12 of K2O+Li2O, from 0 to 12 of SiO2, from 0 to 12 of B2O3, from 0 to 12 of Na2O, from 0 to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080207428 - Responsive glass membrane for ion selective electrode and ion selective electrode: p

20080207429 - Optical glass and optical element: An optical glass for press-molding contains as glass ingredients, by weight: 0.5-4% SiO2; 20-30% B2O3; 10-20% ZnO; 1-10% ZrO2; 30-45% La2O3; 5-12% Nb2O5; 1-15% WO3; 0.5-3.5% TiO2; 0.5-3% CaO; 0.1-0.5% Li2O; 0-0.4% Na2O (zero inclusive); and 0-0.4% K2O (zero inclusive), with the total content of Li2O+Na2O+K2O accounting for 0.1-0.5%.... Agent: Sidley Austin LLP

20080207430 - Optical glass and optical element: The present invention pertains to a method for producing a polysilane-polycarbosilane copolymer solution, which comprises the preparation of a polysilane, obtained by the disproportionation of a methylchlorodisilane or a mixture of methylchlorodisilanes of the formula Si2MenCl6-n with a Lewis base as the catalyst, a subsequent thermal crosslinking of the polysilane... Agent: Duane Morris, LLP Ip Department

20080207431 - Method for improving the manufacture of structural clay products: A method of improving the manufacture of structural clay products through the addition of starches is disclosed herein. The method includes adding a starch material to a mixture of basic raw material wherein the starch material is selected from the group consisting of pre-gelatinized starch, modified starch, or combinations thereof.... Agent: Hammer & Associates, P.c.

20080207432 - Y2o3 sintered body corrosion resistant member and method for producing same and member for semiconductor/liquid crystal producing apparatus: A corrosion resistant member made of the Y2O3 sintered material that contains 99.9% by weight or more Y in terms of Y2O3, and has a difference in mean crystal grain size between the surface and the inside region of the Y2O3 sintered material not larger than 30 μm.... Agent: Hogan & Hartson L.l.p.

20080207433 - Apparatus, methods and products relating to chemically bonded inorganic metal ceramics: A chemically bonded ceramic is formed by contacting a Wollastonite component and acid component to form a precursor, which precursor then cured to form the ceramic, with at least one of the components, or precursor cooled to increase the working pot life.... Agent: Gilbreth & Associates, P.c.

20080200326 - Aluminum nitride powder and aluminum nitride sintered compact: The present invention relates to an aluminum nitride sintered body which satisfies both high thermal conductivity and reduction in the shrinkage factor at the time of sintering. The aluminum nitride sintered body is a sintered body of a powder mixture containing an aluminum nitride powder and a sintering aid, characterized... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080200327 - Barium titanate single crystal and preparation method thereof: The present invention provides a method of producing the barium titanate solid solution single crystals. The crystalline phase of the single crystal is hexagonal. The method of the present invention, a small quantity of metal oxide is added and dissolved into the barium titanate to form a solid solution. The... Agent: Schmeiser, Olsen & Watts

20080194394 - Glass substrates for flat screens: The invention relates to a glass substrate whose chemical composition comprises the following components within limits defined thereafter and expressed in percentages by weight: 58-72% by weight SiO2, 0.8-3 by weight TiO2, 2-15 by weight B2O3, 10-25 by weight Al2O3, 5-12 by weight CaO, 0-3 by weight MgO, 0-6 by... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080194395 - Optical glass, press-molding glass gob and optical element: An optical glass whose refractive index is high and whose coloring is decreased comprising, by weight %, 2 to 45% of B2O3, 0 to 30% of SiO2 provided that the content of B2O3>the content of SiO2, 10 to 50% of La2O3, 0 to 30 % of TiO2, 0 to 15%... Agent: Nixon & Vanderhye, Pc

20080194396 - Translucent ceramic, method for manufacturing the same, optical component, and optical apparatus: A translucent ceramic includes a perovskite-type compound as a main component having a composition represented by the general formula (La1-x(Sr1-a-bBaaCab)x)((Al1-cGac)1-y(Ta1-dNbd)y)vOw (wherein 0<x≦1, 0<y≦0.6, 0.4≦y/x≦0.6, 0≦a≦1, 0≦b≦1, 0≦c≦1, 0≦d≦1, 0.9≦v≦1.1 and w is a positive number for keeping an electrical neutrality). The translucent ceramic has a high refractive index and a... Agent: Dickstein Shapiro LLP

20080188366 - Multilayer ceramic substrate and production method thereof: A multilayer ceramic substrate includes a plurality of stacked glass ceramic layers and internal conductors. The glass ceramic layers contain at least one diffusion element selected from the group consisting of Ti, Zr and Mn. The internal conductors contain Ag as a conductive material. The multilayer ceramic substrate is produced... Agent: Kanesaka Berner And Partners LLP

20080188367 - Silico-sodo-calcic glass composition for the production of substrates: m

20080188368 - Optical glass: An optical glass includes, in percent by weight, 2-11% SiO2, 28-45% B2O3, 2-15% CaO, 3-18% ZnO, 1-8% ZrO2, 9-40% La2O3, 0.5-11% Gd2O3, 0-10% Y2O3, 0-3% Al2O3, at most 8% R2O, where R2O is selected from the group consisting of Li2O, Na2O and K2O, at most 20% R′O, where R′O is... Agent: Madson & Austin

20080188369 - Ceramic material and cutting tools made thereof: The present invention relates to a ceramic material based on based on β-sialon (Si6−zAlzOzN), α-sialon, a refractory hard phase comprising TiN, Ti(C,N) or TiC, an intergranular amorphous or partly crystalline phase, and containing yttrium. The β-sialon phase has a z-value of from about 0.3 to about 0.8. The content of... Agent: Drinker Biddle & Reath (dc)