Compositions: ceramic inventions 12/08

20080318757 - Nanoglass and flame spray processes for producing nanoglass: The invention is to processes for producing a nanoglass powder batches and to powder batches formed by such processes. In one embodiment, the process comprises the steps of providing a precursor medium comprising a first metal oxide precursor to a first metal oxide, a second metal oxide precursor to a... Agent: Patent Administrator

20080318758 - Optical glass: This invention provides an optical glass including, by mass %: 30 to 40% of B2O3; 2.5 to 6% of Li2O; 10 to 17% of ZnO; 12 to 22% of La2O3; 15 to 25% of Gd2O3; 0 to 5% of SiO2; 0 to 5% of Bi2O3; 0 to 15% of Al2O3;... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080318759 - Method of producing porous ceramic supports of controlled microstructure: Process for producing a ceramic part from a ceramic powder, comprising the following successive steps: a step (a) of deagglomerating the ceramic powder in liquid phase; a step (b) of incorporating pore formers into the powder dispersion prepared in step (a); a step (c) of removing the liquid medium from... Agent: Air Liquide Intellectual Property

20080318760 - Noise suppressor for electronic signals: The present invention is directed to a noise suppressor for electronic signals. The noise suppressor at least includes Aluminum Oxide (Al2O3) that is sintered under high temperature, resulting in ceramic Aluminum Oxide (Al2O3) for effectively absorbing or suppressing noise, and reshaping the waveform or filtering waveform glitch of the electronic... Agent: Squire, Sanders & Dempsey L.L.P.

20080318761 - Process for the preparation of mixed oxides by means of spray pyrolysis: The present invention relates to a novel process for the preparation of compact, spherical mixed oxide powders having an average particle size of <10 μm by spray pyrolysis, and to the use thereof as phosphor, as base material for phosphors or as starting material for ceramic production or for the... Agent: Millen, White, Zelano & Branigan, P.C.

20080312061 - Pellets for se encapsulation: Pellets encapsulating selenium or a compound of selenium comprise one hollow cavity filled with the selenium surrounded by a matrix which is able to form an eutectic with at least one of the constituents of a batch of molten raw materials for the manufacture of glass.... Agent: Akerman Senterfitt

20080312062 - Optical glass and lens: The invention provides an optical glass comprising, by mass % on the oxide basis; 25 to 50% of B2O3; 5 to 25% of ZnO: 13 to 25% of La2O3; 10 to 28% of Gd2O3; and 1.5 to 4% of Li2O, the optical glass having: a refractive index (nd) of 1.65... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080312063 - Optical glass: The present invention provides an optical glass including, by mass %: 46 to 70 of B2O3; 3 to 10 of Li2O; 5 to 15 of Y2O3; 0 to 46 of SiO2: 0 to 20 of Al2O3: 0 to 40 of MgO+CaO+SrO+BaO; 0 to 30 of La2O3; and 0 to 10... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080312064 - Porous, fired ceramic foam: The invention relates to a porous, fired ceramic foam having a total porosity of between 50 and 92% and an intergranular porosity of at least 5%. In particular, the invention relates to a recrystallised silicon carbide foam.... Agent: John J. Halliday Deputy Managing Director

20080312065 - Highly filled dispersions containing aluminium oxide: e

20080312067 - Highly filled dispersion containing transition aluminium oxide: Aqueous dispersion containing transition aluminium oxide as only solid and a dispersant, in which—the transition aluminium oxide is present in the form of aggregates of primary particles, the content of transition aluminium oxide in the dispersion is from 40 to 65% by weight, the aggregates in the dispersion have a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080312066 - Message energy memory ceramics: The present invention provides a message energy memory ceramics. The message information memory ceramics includes: (1) a plurality of message energy memory ceramics grains composed of a silicon oxide, an aluminum oxide, a sodium oxide, a potassium oxide, a magnesium oxide, a calcium oxide, a titanium oxide, an ferric oxide,... Agent: Sam Chen

20080305939 - Optical glass and optical element: An optical glass includes P2O5, B2O3, Li2O, Na2O, K2O, CaO, TiO2, Bi2O3, Nb2O5 and WO3 each of which is in an amount in a predetermined range.... Agent: Brinks Hofer Gilson & Lione

20080305940 - Titania-doped quartz glass for nanoimprint molds: In the nanoimprint lithography, titania-doped quartz glass having an internal transmittance distribution of up to 10% at wavelength 365 nm is suited for use as nanoimprint molds.... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080305941 - Titania-doped quartz glass for nanoimprint molds: In the nanoimprint lithography, a titania-doped quartz glass having a CTE of −300 to 300 ppb/° C. between 0° C. and 250° C. and a CTE distribution of up to 100 ppb/° C. at 25° C. is suited for use as nanoimprint molds.... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080305942 - Oxynitride armour glass: The present invention relates to the use of an oxynitride glass comprising a combination of glass network modifying cations as an armour material. The invention further relates to a novel oxynitride glass comprising a combination of glass network modifying cations and to a novel method for preparing an oxynitride glass... Agent: Morrison & Foerster LLP

20080305943 - Zirconia particles: Zirconia particles, methods of making zirconia particles, composite materials that contain the zirconia particles, methods of making the composite materials, and zirconia sols that contain the zirconia particles are described. The zirconia particles are substantially non-associated and have an average size no greater than 50 nanometers and may contain yttrium.... Agent: 3m Innovative Properties Company

20080305944 - Dielectric ceramics and manufacturing method thereof, as well as multilayer ceramic capacitor: r

20080300125 - Optical glasses of the dense barium flint position: P

20080300126 - Low-melting lead-free solder glass and uses thereof: The low melting solder glass contains, in wt. % on an oxide basis, >1-2, SiO2; 5-10, B2O3; 4.5-12, ZnO; 79-88, Bi2O3; and 0.6-2, Al2O3, and a weight ratio of SiO2 to Al2O3 of <2. The solder glass preferably contains from 80.5 to 85 wt. % of Bi2O3 and is free... Agent: Striker, Striker & Stenby

20080300127 - Aluminum titanate ceramic forming batch mixtures and green bodies with pore former: A ceramic forming batch mixture including inorganic batch materials, such as sources of alumina, titania, and silica, a low amount of one or more pore formers including at least one starch; an organic binder; and a solvent. Also disclosed is a method for producing a ceramic article involving mixing the... Agent: Corning Incorporated

20080300128 - Process for producing an aluminum nitride sintered body: An aluminum nitride sintered body having resistance to plasma gas and high thermal conduction and having excellent optical properties. The aluminum nitride sintered body of the present invention is characterized in that the proportion of positrons which are annihilated within a period of 180 ps (picoseconds) in the aluminum nitride... Agent: The Webb Law Firm, P.C.

20080300129 - Ceramic material, compositions and methods for manufacture thereof: The present invention relates to a method of producing a ceramic material comprising the steps of: a) mixing a first clay composition comprising silica and a silicate mineral with a second clay composition; and b) firing the mixed clay composition from step a) to form a ceramic product. The present... Agent: Merchant & Gould PC