Compositions: ceramic inventions 09/09

20090239731 - Water-soluble glass composition: A zinc and bismuth containing, water-soluble glass composition comprising from 10 to 75 mole % P205, 5-50 mole % alkali metal oxide, up to 40 mole % Zn0 and up to 40 mole % Bi203.... Agent: Norris, Mclaughlin & Marcus

20090239732 - Optical component quartz glass: Starting from an optical component of quartz glass for transmitting ultraviolet radiation of a wavelength between 190 nm and 250 nm, with a glass structure essentially without oxygen defects, a hydrogen content ranging from 0.1×1016 molecules/cm3 to 5.0×1016 molecules/cm3, and with a content of SiH groups of less than 5×1016... Agent: Brian J. Eastley

20090239733 - Methods of heat-treating soda-lime glass substrates and heat-treated soda-lime glass substrates formed using the same: A soda-lime glass substrate formed through a heat-treatment method has an absorption coefficient ranging from about 0.15 λ,W/m·K to about 0.54 λ,W/m·K, and a free path length ranging from about 0.12 cm to about 0.24 cm. The heat-treated soda-lime glass substrate is formed by heating for a selected time at... Agent: Haynes And Boone, LLPIPSection

20090239734 - Cordierite ceramic and method of producing the same: A method of producing cordierite ceramic where the degree of stacking faults and the particle diameter of kaolinite used as a component of a cordierite-forming raw material are appropriately adjusted so that microcracks having an average width of 0.3 μm or more are introduced into the resulting cordierite ceramic to... Agent: Burr & Brown

20090233782 - Optical glass and lens using the same: The present invention has an object to provide an optical glass having excellent devitrification properties during high temperature forming and press moldability and capable of reducing weight and size of an optical system. The present invention relates to an optical glass comprising, in mass % on oxide basis; B2O3: 10... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090233783 - Carbon-containing refractory composition containing no resinous binder: The present invention provides a carbon-containing refractory composition comprising a carbon-containing refractory matrix material, and a binder selected from molasses, lignosulphonate, magnesium sulfate, magnesium chloride, and a mixture thereof. The inventive composition having satisfactory good thermal and physical properties causes no environmental hazard.... Agent: Anderson, Kill & Olick, P.C.

20090233784 - Reinforced ceramic refractory: The disclosed invention relates to a reinforced ceramic refractory made from an as-batched composition comprising alumina; a rare earth oxide; an oxide of a transition metal comprising Sc, Zn, Ga, Y, Cd, In, Sn, Tl or a mixture of two or more thereof; and chopped ceramic fibers containing nanofibrils; the... Agent: Renner Otto Boisselle & Sklar, LLP

20090233785 - Semiconductor porcelain composition: The invention intends to provide, in BaTiO3 semiconductor porcelain composition, a semiconductor porcelain composition that, without using Pb, can shift the Curie temperature to a positive direction and can significantly reduce the resistivity at room temperature. According to the invention, when Ba is partially substituted by an A1 element (at... Agent: Stein Mcewen, LLP

20090227438 - Aluminosilicate glass and color adapting composition for ceramics: The present invention relates to a color adapting composition used for coloring and color adapting porcelain for ceramic crown such as dental restorations and prosthetics, and aluminosilicate glass appropriate for using in a color adapting composition. More specifically, a color adapting composition for dental porcelains are prepared by blending two... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090227439 - Optical glass: The present invention has an object to provide an optical glass which has middle refractive index and low dispersibility, a low yield point (Ts) and a liquidus temperature (L.T.) and excellent weather resistance, and is suitable for mold press molding. The present invention relates to an optical glass comprising, in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090227440 - Glass materials for optical gain media and infrared optics comprising rare earth oxide glass compositions: This invention relates to the use of novel glass materials comprising rare earth aluminate glasses (REA1™ glasses) in the gain medium of solid state laser devices that produce light at infrared wavelengths, typically in the range 1000 to 3000 nm and for infrared optics with transmission to approximately 5000 nm... Agent: 3m Innovative Properties Company

20090227441 - Refractory shaped body with increased alkali resistance: The invention relates to a refractory batch and to a process for its production. The batch comprises a refractory metal oxide main component containing Al2O3; the refractory metal oxide main component containing 40 to 60% by weight of Al2O3; a phosphate bond, in particular, the phosphate bond being produced by... Agent: Lackenbach Siegel, LLP

20090227442 - Fire-resistant ordinary ceramic batch, and fire-resistant product therefrom: Disclosed are a fire-resistant ordinary ceramic batch and a fire-resistant product predominantly comprising a) at least one granular, fire-resistant, mineral, alkaline main component made of an MgO-based or MgO and CaO-based fire-resistant material that is based on at least one alkaline fire-resistant raw material, and b) at least one granular,... Agent: Lackenbach Siegel, LLP

20090227443 - Molding compound for producing a fireproof lining: Disclosed is a molding compound for producing a fireproof lining, especially for a combustion chamber of a stationary gas turbine. Said molding compound is characterized particularly by the fact that the molding compound is formed from more than about 50 percent by weight of silicon carbide and less than about... Agent: Siemens Corporation Intellectual Property Department

20090221413 - Strenghtened, pressable ceramic compositions for dental purposes: P

20090221414 - Slurry and ceramic composite produced with it: The invention relates to ceramic slurry from which ductile ceramic fibrous composites can be produced. They can be stretched under tension without any of the brittleness typical for ceramic materials occurring.... Agent: Jacobson Holman PLLC

20090221415 - Sintered refractory product exhibiting enhanced thermal shock resistance: The invention concerns a sintered refractory product having the following average chemical composition, in weight percentages based on oxides: 20%<Al2O3<90%; 6%=SiO2<30%; 3%<ZrO2<50%; 0%=Cr2O3<50%. The inventive product is characterized in that it comprises 17 to 85 wt. % of mullite-zirconium grains.... Agent: Young & Thompson

20090221416 - Molding compound for producing a refractory lining: In one aspect, a molding compound for producing a refractory lining, especially for a combustion chamber of a stationary gas turbine is provided. The molding compound comprises, in weight percent, more than approximately 50% of aluminum oxide and, in weight percent, less than approximately 50% of aluminum silicate.... Agent: Siemens Corporation Intellectual Property Department