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Compositions: ceramic December patent applications/inventions, industry category 12/11

20110319251 - Isomorphously substituted silicate: The present invention relates to a process for the preparation of an isomorphously substituted RUB-36 silicate comprising (1) providing a mixture containing silica, preferably amorphous silica, and/or at least one silica precursor, water, at least one suitable structure directing agent, (2) heating the mixture obtained according to (1) under hydrothermal... Agent: Basf Se

20110319250 - Process for the preparation of pillared silicates: The present invention relates to a process for the preparation of a silicate compound, comprising (1) providing at least one layered silicate; and (2) mixing said layered silicate with water and at least one silicon containing compound according to formula R4-mSi[—(SiR2)n—R]m wherein at least one residue R is a leaving... Agent: Basf Se

20110319252 - Composite powders: A composite powder includes a plurality of loose particles having discrete regions of a first material and discrete regions of a second material that is different than the first material. At least one of the first material and the second material is a chemical precursor to a third material.... Agent:

20110319253 - High strength machinable glass-ceramics: In one aspect the invention is directed to a machinable glass-ceramic having a high degree of crystallinity (greater than 50 Vol. %), high mechanical strength (MOR>150 MPa) In accordance with the invention, the machinable glass-ceramics described herein consists essentially of, in weight percent, 35-55% SiO2, 6-18% Al2O3, 12-27% MgO, 3-12%... Agent:

20110319254 - Process for the preparation of coloured blanks and dental shaped parts:

20110319255 - Varistor ceramic, multilayer component comprising the varistor ceramic, and production method for the varistor ceramic: A varistor ceramic includes the following materials: Zn as the main component, Pr in a proportion of 0.1 to 3 atom %, and a metal M selected from Y, Ho, Er, Yb and Lu in a proportion of 0.1 to 5 atom %.... Agent: Epcos Ag

20110312482 - Crystallizing glass solder and use thereof: A crystallizing glass solder for high-temperature applications, containing, in % by weight on an oxide basis: 45% to 60% of BaO, 25% to 40% of SiO2, 5% to 15% of B2O3, 0 to <2% of Al2O3, and at least one alkaline earth metal oxide from the group consisting of MgO,... Agent:

20110312483 - Glass for display device and glass plate: Glass for a display device, which comprises, as represented by mole percentage based on the following oxides, from 61 to 72% of SiO2, from 8 to 17% of Al2O3, from 6 to 18% of Li2O, from 2 to 15% of Na2O, from 0 to 8% of K2O, from 0 to... Agent: Asahi Glass Company, Limited

20110312484 - Aluminum boron carbide composite and method to form said composite: An improved aluminum-boron carbide (ABC) composite has been discovered that is comprised of a continuous network of AlB24C4 and boron carbide grains having therein other isolated aluminum-boron carbide reactive phases and at most 2% by volume of isolated metal. The improved ABC composite may be formed by forming boron carbide... Agent:

20110306486 - Alumino-borosilicate glass for the confinement of radioactive liquid effluents, and method for treating radioactive liquid effluents: An alumino-borosilicate glass for the confinement, isolation of a radioactive liquid effluent of medium activity, and a method for treating a radioactive liquid effluent of medium activity, wherein calcination of said effluent is carried out in order to obtain a calcinate, and a vitrification adjuvant is added to said calcinate.... Agent: Aveva Nc

20110306487 - Optical glass:

20110301014 - Apparatus and method for manufacturing float glass: An apparatus for manufacturing a float glass includes a float bath in which a molten glass moves on a surface of a floatable molten metal to form a glass ribbon, a casing deformation preventing member for allowing an inert gas to flow around an end casing at an outlet of... Agent:

20110301015 - Process for producing porous quartz glass object, and optical member for euv lithography: The present invention relates to a process for producing a porous quarts glass body containing hydrolyzing a metal dopant precursor and an SiO2 precursor in a flame of a burner to form glass fine particles, and depositing and growing the formed glass fine particles on a base material, in which... Agent: Asahi Glass Company, Limited

20110301016 - Materiales basados en aluminosilicatos de litio con coeficiente de expansiÓn tÉrmica negativos en un amplio intervalo de temperatura, procedimiento de preparaciÓn y uso: New process for obtaining lithium aluminosilicate-based (LAS) ceramic materials having a near-zero and negative thermal expansion coefficient within a temperature range of (−150° C. to 450° C.). These materials are applicable to the manufacture of components that require a high level of dimensional stability.... Agent:

20110294644 - Annealing apparatus and method for float glass: An annealing apparatus for a float glass continuously anneals a glass ribbon molded in a float bath. The annealing apparatus includes a lehr housing having an inlet and an outlet for the glass ribbon, a plurality of lehr rolls rotatably installed to the lehr housing in a width direction of... Agent:

20110294645 - Apparatus and method for manufacturing float glass: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored to float, a loop block which covers the bottom block, and a shield for preventing a vapor, which is generated from the molten metal at both sides of the bottom block, from advancing... Agent:

20110294646 - Apparatus and method for manufacturing float glass: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored to float, a loop block which covers the bottom block, and a plurality of thermocouples buried in the loop block in a predetermined pattern to measure the temperature of the loop block so... Agent:

20110294647 - Apparatus and method for manufacturing float glass: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored and floats, a loop block which covers the bottom block and has at least one hole formed therethrough, a heater installed through the hole, and a fragment intercepting member for preventing fragments generated... Agent:

20110294648 - Ion exchangeable glasses: An ion exchangeable glass that is free of lithium and comprising 0.1-10 mol % P2O5 and at least 5 mol % Al2O3. The presence of P2O5 enables the glass to be ion exchanged more quickly and to a greater depth than comparable glasses that do not contain P2O5.... Agent:

20110294649 - Glasses having low softening temperatures and high toughness: Glasses having a low softening point and high toughness. The glasses are alkali aluminoborosilicate glasses having softening points of less than 900° C. and, in some embodiments, in a range from about 650° C. up to about 825° C., and an indenter damage threshold of at least 300 g for... Agent:

20110294650 - Porous ceramic processing using aco-prilled wax and non-ionic surfactant mixture: This disclosure is directed to porous ceramic processing; and in particular to a method using selected pore forming materials to avoid high exotherms during the ceramic firing process, and the green bodies formed using the selected pore forming materials. The selected pore forming materials are homogeneous wax/non-ionic surfactant particles formed... Agent:

20110294651 - Yttria-based refractory composition: Method for producing a mold for use in casting reactive metals comprising preparing a slurry of a yttria-based refractory composition and a binder, and using said slurry as a mold facecoat by applying said slurry onto a surface of a mold pattern, wherein said yttria-based refractory composition is obtainable by... Agent: Treibacher Industrie Ag