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| Number | Title | Issue Date |
| 8093169 | High-durability sleeve bricks Disclosed is a magnesia-carbon based sleeve brick for steelmaking converters, which is obtained by adding, to a refractory raw material mix containing 60 to 95 mass % of a magnesia raw material and 5 to 20 mass % of graphite, a metal powder of one or more selected f... | 01/10/2012 |
| 8030235 | Refractory brick for steel ladles A magnesia-carbon brick comprised of about 50 to about 95% by weight magnesia and about 1 to about 20% by weight carbon, with or without metallic additions, such that the chemical analysis of the mixture of aggregates used in the brick will comprise, by chemical ana... | 10/04/2011 |
| 7442663 | Ceramic clay, ceramic formed article, ceramic structure, and manufacturing methods thereof There is disclosed a ceramic clay obtained by kneading a forming material containing a ceramic forming material, wherein the forming material contains layered double hydroxide, in addition to the ceramic forming material, at a ratio of 0.5 to 50% by mass with respec... | 10/28/2008 |
| 7422719 | Process for removing oil-based components and forming ceramic bodies An improvement in a process of forming ceramic articles comprising oil-based components or extrusion aids, the improvement including removing the oil-based components after drying and prior to firing by flowing a heated gas through the green ceramic honeycomb articl... | 09/09/2008 |
| 7419926 | Sintered bodies based on niobium suboxide Disclosed are sintered bodies that include: (a) 30 to 100 mol % of NbOx, wherein 0.5 | 09/02/2008 |
| 7347896 | Reactive magnesium oxide cements Novel hydraulic cements are disclosed that include reactive magnesium oxide prepared by low temperature calcination. The cements can be formulated to suit a large number of applications with various setting times, strength and levels of sustainability either by addi... | 03/25/2008 |
| 7327928 | Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method A hollow core photonic bandgap chalcogenide glass fiber includes a hollow core for passing light therethrough, a Raman active gas disposed in said core, a microstructured region disposed around said core, and a solid region disposed around said microstructured regio... | 02/05/2008 |
| 7300897 | Low temperature sintering ceramic composition for high frequency, method of fabricating the same and electronic component A low temperature sintering ceramic composition can be sintered at 850 to 1,000° C., and the sintered ceramic has a low dielectric constant (9 or less at 16 Ghz or more) and a high Qf (10,000 or more). The composition can be co-sintered with wiring material contain... | 11/27/2007 |
| 7283712 | Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method This invention pertains to a glass fiber, a Raman device and a method. The fiber is a hollow core photonic bandgap chalcogenide glass fiber that includes a hollow core for passing light therethrough, a Raman active gas disposed in said core, a microstructured region... | 10/16/2007 |
| 7276460 | Low temperature sintering ceramic composition for use in high frequency, method of fabricating the same and electronic component A low temperature sintering ceramic composition that can be sintered at a temperature equal to or less than 1000° C. and has low dielectric constant and dielectric loss in a high frequency region of 17 Ghz or more, an electronic component using the same and a metho... | 10/02/2007 |
| 7247589 | Transparent polycrystalline sintered ceramic of cubic crystal structure Transparent polycrystalline sintered ceramic of cubic crystal structure. The invention relates to the field of technical ceramic and relates to transparent polycrystalline sintered ceramics of cubic crystal structure for applications with increased mechanical stress... | 07/24/2007 |
| 7218050 | Plasma display panel A plasma display panel includes a first substrate and a second substrate facing each other to provide a discharge space between the first substrate and the second substrate, a scan electrode and a sustain electrode both provided on the first substrate, a dielectric ... | 05/15/2007 |
| 7176154 | Ceramic composition and ceramic wiring board To provide a ceramic composition and a ceramic wiring board that can be formed by the firing at a low temperature of 1,000° C. or less, has high strength and is advantageous when electronic component regions utilizing a ceramic layer are formed thereon. A ra... | 02/13/2007 |
| 7151067 | Porcelain composition, composite material comprising catalyst and ceramic, film reactor, method for producing synthetic gas, apparatus for producing synthetic gas and method for activating catalyst A porous catalyst layer containing mixed conducting oxide having substantially a perovskite structure and containing a first element selected from Co and Fe, and a second element selected from In, Sn and Y arranged in the B site in the perovskite structure is contig... | 12/19/2006 |
| 7144832 | Use of a magnesia zirconia brick The present invention relates to the use of a magnesia-zirconia brick in regenerator chambers of glass troughs, which are at least partially operated using a reducing atmosphere. ... | 12/05/2006 |
| 7138350 | MgO vapor deposition material and method for preparation thereof Polycrystals with a MgO purity of at least 99.0%, a relative density of at least 90.0%, a sulfur S content of 0.01 to 50 ppm, a chlorine Cl content of 0.01 to 50 ppm, a nitrogen N content of 0.01 to 200 ppm, and a phosphorus P content of 0.01 to 30 ppm. Even when va... | 11/21/2006 |
| 7118777 | Structures and fabrication techniques for solid state electrochemical devices Low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures provide solid state electrochemical... | 10/10/2006 |
| 7090918 | Externally glazed article The invention describes an article and method comprising a refractory article having an outer surface covered by an insulating coating over which a protective glaze is applied. The method includes applying a suspension of an insulating coating to a refractory piece,... | 08/15/2006 |
| 7059383 | Molten metal handling apparatus An integral molten metal casting device comprising: a crossfeeder having an interior surface defining a partial cylinder of a first diameter; a generally cylindrical thimble having an interior surface of a second smaller diameter; and back-up insulation; all formed ... | 06/13/2006 |
| 7052542 | Composition for construction material and its method of making and using the same The present invention relates to a composition for converting fabric into construction material. The present invention also relates to construction material made from fabric and the process of its manufacture. ... | 05/30/2006 |
| 7049257 | Low thermal expansion materials It is a principal object of the present invention to provide low thermal expansion materials able to answer to the needs of various uses. The present invention relates to low thermal expansion materials constituted substantially from a crystalline body represented b... | 05/23/2006 |
| 6995105 | Use of water-soluble mixed polymers as a flowing medium and/or as a hardening retarder for refractory materials which contain aluminate cement The use of a three-component water-soluble polymer comprising 5–90% by weight of a component a), preferably of the maleic acid, fumaric acid or itaconic acid type, 5–90% by weight of a component b) essentially from the group consisting of 2-acrylamido-2-methylpr... | 02/07/2006 |
| 6995104 | Polycrystalline MgO deposition material having adjusted Si concentration It is an object of the present invention to provide a polycrystalline MgO deposition material which is capable of obtaining a good discharge response characteristic over a wide temperature range. Additionally, it is another object of the present invention to provide... | 02/07/2006 |
| 6908871 | Batch composition for producing a refractory ceramic shape body, shaped body produced therefrom and the use thereof The invention relates to a batch composition for producing a refractory ceramic shaped body, to a shaped body produced therefrom and to the use thereof. The components used are: 68 to 97 wt.-% molten magnesite, sintered magnesite or mixtures thereof, 3 to 20 wt.-% C... | 06/21/2005 |
| 6899768 | Magnesium oxide particle aggregate The present invention is related to a magnesium oxide particle aggregate with the requirement of a first inflection point diameter is more than 0.30×10−6 to 0.60×10−6 m, a particle void volume is 0.50×10−3 to 0.90×10âˆ... | 05/31/2005 |
| 6858173 | Nanocrystalline ceramic materials reinforced with single-wall carbon nanotubes Composites of ceramic materials, notably alumina or metal oxides in general, with single-wall carbon nanotubes are consolidated by electric field-assisted sintering to achieve a fully dense material that has an unusually high fracture toughness compared to the ceram... | 02/22/2005 |
| 6843898 | High temperature superconducting composite conductors Copper or excess copper is added to one or more layers of a superconducting composite structure to reduce migration of copper form a copper based superconducting layer. ... | 01/18/2005 |
| 6844281 | Reinforcement preform for metal matrix composites A preform for use in a metal matrix composite, particularly for a magnesium metal composite. In the preform the reinforcing material typically is silicon carbide, boron nitride, titanium nitride, carbon or graphite. The binder used in the preform is sintered magnesi... | 01/18/2005 |
| 6835250 | Magnesium oxide particle aggregate An object of the present invention is to provide a magnesium oxide particle aggregate having a controlled particle aggregation structure so that the solid phase-solid phase reaction between magnesium oxide and the SiO2 film on the surface can be appropria... | 12/28/2004 |
| 6815389 | Process for producing anionic clay using two types of alumina compounds An economical and environment-friendly process for the synthesis of anionic clays with carbonate and/or hydroxide anions as the charge-balancing interlayer species is disclosed. The process involves reacting a slurry comprising an aluminum source and a magnesium sou... | 11/09/2004 |
| 6811868 | Ceramic body and ceramic catalyst body The object of the present invention is to provide a ceramic body that can support a required amount of a catalyst component, without lowering the characteristics such as strength, being manufactured without forming a coating layer and providing a high performance ce... | 11/02/2004 |
| 6803336 | Fire-resistant substance and method for producing a fire-resistant lining The invention relates to a fire resistant substance and to a method for producing a fire-resistant lining. The fire-resistant substance contains MgO sinter and up to 5 wt. % of a reducing agent selected from the group consisting of substances that contain carbon. Th... | 10/12/2004 |
| 6723442 | Ceramic material, method for the production thereof, use of the ceramic material, and layer of the ceramic material on a metallic or ceramic body Disclosed is a ceramic material which is suitable for coating a body by way of a thermal spraying method and which has a coefficient of longitudinal thermal expansion that may be matched to that of a metal. The ceramic material includes 10 to 95% by weight of MgAl | 04/20/2004 |
| 6713417 | Insulative ceramic compact An insulative ceramic compact is composed of a fired mixture of (A) a MgAl2O4, Mg3B2O6 and/or Mg2B205 ceramic powder, and (B) a glass powder including from about 13 to 50% by wei... | 03/30/2004 |
| 6689202 | Molds for the manufacture of a dental restoration and methods of making dental restorations Blocks of material are prepared in a variety of shapes and sizes to be used in the fabrication of models for dental restorations. The material comprises a partially sintered ceramic material. The blocks are used to manufacture molds using CAD/CAM methods ... | 02/10/2004 |
| 6605316 | Structures and fabrication techniques for solid state electrochemical devices Provided are low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invent... | 08/12/2003 |
| 6602623 | Low-temperature firing ceramic composition, process for producing same and wiring substrate prepared by using same A low-temperature firing ceramic composition contains Sr2 MgSi2 O7 crystals forming a major crystal phase of the composition. This composition can be produced, for example, by a process including the steps of (a) mixing to... | 08/05/2003 |
| 6541409 | Process for producing anionic clay using non-peptized boemite and compositions produced therefrom An economical and environment-friendly processes for the synthesis of anionic clays and the products made therefrom. It involves reacting a slurry comprising non-peptized boehmite with a magnesium source. There is no necessity to wash or filter the produc... | 04/01/2003 |
| 6534161 | Crystallized glass composition, sintered crystallized glass compact, and circuit substrate using the same A crystallized glass composition contains a principal ingredient comprising SiO2, MgO and Al2 O3 and contains about 2 to 20 parts by weight of B2 O3 relative to 100 parts by weight of the principal in... | 03/18/2003 |
| 6534430 | Material for measuring static and dynamic physical parameters A sensor material for measuring physical parameters capable of configuring a sensor capable of directly measuring a high value of physical parameters such as high stress or high pressure without employing a pressure resistance container. The sensor materi... | 03/18/2003 |
