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Compositions: ceramic January recently filed with US Patent Office 01/09

20090029841 - Glassware breaking apparatus: A glassware-breaking machine can be used to reduce the volume of glass waste and also to reduce disposal costs. The machine can be provided with a plurality of flaps to reduce noise. In order to reduce the risk of glassware becoming jammed, a conduit can be provided with an internal... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20090029842 - Fused silica having low oh, od levels and method of making: A fused silica article having a combined concentration of hydroxyl (OH) and deuteroxyl (OD) concentration of less than 10 parts per million (ppm) and, in one embodiment, less than 1 ppm. The fused silica article is formed by drying a soot blank in a halogen-free atmosphere comprising carbon monoxide. The... Agent: Corning Incorporated

20090029843 - High-volume, fully dense silicon nitride monolith and method of making by simultaneously joing and hot pressing a plurality of rbsn parts: High-volume, fully dense, multi-component monoliths with microstructurally indistinguishable joints that can be used as refractory, corrosion and wear resistant components in the non-ferrous metal industry. The Si3N4 monoliths according to the invention comprise at least 90% by weight β-type Si3N4 and up to 10% by weight of a predominantly amorphous... Agent: Leonard Tachner, A Professional Law Corporation

20090029844 - Rare-earth oxide sintered body and manufacturing method: A rare-earth oxide sintered body, or corrosion-resistant material, having low sintering temperature and high density is prepared by adding a boron compound at a ratio of 0.06 mol % or more and less than 25 mol % when converted into boron oxide (B2O3) to oxide powder of at least one... Agent: Carrier Blackman And Associates

20090023573 - Organic and inorganic peroxides as refining agents in the production of glass: P

20090023574 - Dental glass ceramics: The invention relates to dental glass-ceramics and a process for producing them and their use, with these comprising at least one crystal phase containing xenotime or monazite or mixtures thereof.... Agent: Friedrich Kueffner

20090023575 - Optical glass: e

20090023576 - Method for the surface treatment of bead polymers: A method for the surface treatment of bead polymers is to be prepared, by means of which bead polymers are treated in a particularly simple and effective manner such that upon addition to unfinished ceramic pieces, in particular, their strength and dimensional stability increase. To this end, the bead polymers... Agent: Demont & Breyer, Llc

20090023577 - Silicon nitride sintered body and manufacturing method thereof, member for molten metal, member for hot working, and member for digging: A silicon nitride sintered body comprising β-sialon expressed by a composition formula of Si6-ZAlZOZN8-Z, wherein z value being the dissolved amount is 0.1 to 1, as a main phase, a grain boundary phase and Fe silicide particles. The grain boundary phase contains RE (Group III elements in the periodic table)-Al—Si—O,... Agent: Hogan & Hartson L.l.p.

20090023578 - Ceramic powder and method for producing ceramic powder: A ceramic powder contains a principal component that is a perovskite-type complex oxide represented by the formula ANbO3 (A is at least one selected from alkali metal elements and contains 10 mole percent or more of K) and also contains 0.0001 mole or more of an element per mole of... Agent: Dickstein Shapiro LLP

20090018006 - Glass composition and optical member and optical instrument using the same: A glass composition satisfying the following conditions (A) to (L), the conditions are: (A) a content ratio of TeO2 is in a range from 50 to 95 mol %; (B) a content ratio of B2O3 is in a range from 1 to 33 mol %; (C) a content ratio of... Agent: Oliff & Berridge, PLC

20090018007 - Lithium-aluminosilicate glass with short glazing times: A lithium-aluminosilicate glass or a corresponding glass ceramic that has a content of 0-0.4 SnO2, 1.3-2.7% by weight of ΣSnO2+TiO2, 1.3-2.5% by weight of ZrO2, 3.65-4.3% by weight of ΣZrO2+0.87 (TiO2+SnO2), ≦0.04% by weight of Fe2O3, 50-4000 ppm of Nd2O3 and 0-50 ppm of CoO is described. The glass or... Agent: Millen, White, Zelano & Branigan, P.C.

20090018008 - Process for the preparation of a sintered ceramic, ceramic thus obtained and spark plug comprising it: l

20090018009 - Method for preparing a porous ceramic material with high heat resistance:

20090018010 - Metal borides: The invention is related to a boride of a metal of transition group four of the periodic table of the elements, wherein at least 40 wt. % of the particles have a grain size of more than 106 μm, determined by sieve analysis according to ASTM B 214, and these... Agent: Connolly Bove Lodge & Hutz, LLP

20090011915 - Lead-free frits for plasma displays and other glass devices utilizing glass sealing materials: The invention is directed to lead-free glass frit compositions that can be used as sealing frits, the compositions being a blend of: (1) an alkali-ZnO—P2O5 glasses; and (2) at least one cerammed filler material having a crystalline phase selected from the group consisting of beta-quartz, beta-eucryptite, cordierite, and beta-spodumene. The... Agent: Corning Incorporated

20090011916 - Strengthened, pressable ceramic compositions for dental purposes: e

20090011917 - Lead-free glass composites with a low thermal expansion coefficient: The glass composite has a linear thermal expansion coefficient α(20-300) of 1.8×10−6K−1 to 2.4×10−6K−1, a glass transformation temperature Tg of less than 650° C., and a composition, in weight percent based on oxide content, of: 5-9, B2O3; 1-3, Na2O; 15-22, Al2O3; 61-68, SiO2; 0.2-0.5, K2O; and 5.5-8.5, MgO. It can... Agent: Striker, Striker & Stenby

20090011918 - Optical glass and optical element: e

20090011919 - Process for producing honeycomb structure: A process for producing a honeycomb structure by obtaining clay from a cordierite-forming raw material containing an alumina source, a silica source, and a magnesia source; and forming the clay into a honeycomb shape, wherein a material having, in its volume particle size distribution, a 50 volume % particle size... Agent: Oliff & Berridge, PLC

20090011920 - Gasifier reactor internal coating: p

20090011921 - Dielectric porcelain composition and method for production thereof: A dielectric porcelain composition here contains as main components BaO, Nd2O3, TiO2, MgO and SiO2 at the given ratios and as subordinate components ZnO, B2O3, CuO and an alkaline earth metal oxide RO (R: an alkaline earth metal) at given ratios, preferably with the addition of Ag as an optional... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090011922 - Ceramic antenna module and methods of manufacture thereof: Circuit modules and methods of construction thereof that contain composite meta-material dielectric bodies that have high effective values of real permittivity but which minimize reflective losses, through the use of host dielectric (organic or ceramic), materials having relative permittivities substantially less than ceramic dielectric inclusions embedded therein. The composite meta-material... Agent: Burns & Levinson, LLP

20090011923 - Dielectric porcelain composition and electronic component: The present invention provides a dielectric porcelain composition comprising 100 parts by weight of a barium titanate-based dielectric material and 4 to 10 parts by weight in total of Bi2O3 and at least one compound selected from the group of consisting of CuO, ZnO and MgO.... Agent: Burr & Brown

20090011924 - Sintered polycrystalline terbium aluminum garnet and use thereof in magneto-optical devices: A composition is provided that includes a plurality of calcined particles of terbium aluminum oxide having a mean particle domain size of between 30 and 600 nanometers. A translucent article having a surface includes polycrystalline terbium aluminum garnet having a mean grain size from 1 to 10 microns and light... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20090005232 - Composite structures having reinforced edge bonded joints and method for making the same: A ceramic matrix composite structure has a reinforced core for carrying loads. The core includes a web connected between the facesheets by edge bonded joints for transmitting compressive, tensile and shear loads. The edge bonded joints are laterally reinforced by bridging members bonded to the facesheets, on opposite sides of... Agent: Tung & Associates / Randy W. Tung, Esq.

20090005233 - Component with a ceramic coating, into which particles are embedded, and method for producing said component: The subject matter of the invention is a component which is provided with a ceramic coating forming the surface. Inventively there is provision at least in a cover layer of the coating for nanoparticles made from a colorant (CrCoAl or a spinel-type oxide) and aluminum oxide nanoparticles. This combination of... Agent: Siemens Corporation Intellectual Property Department