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| Number | Title | Issue Date |
| 8168554 | Particle of a molten ceramic material The invention relates to a molten ceramic particle, characterized in that it has the following chemical composition in wt % based on oxides and for a total of 100%: 55% | 05/01/2012 |
| 8143182 | Fused ceramic particle The present invention provides a fused ceramic particle, having the following chemical composition, in percentages by weight based on the oxides and for a total of 100%: 50% | 03/27/2012 |
| 7989381 | Fusion-cast fireproof product A fusion-cast refractory product based on zirconium dioxide is provided. The zirconium dioxide crystals are stabilized by magnesium oxide and surrounded by at least one magnesium oxide-containing crystalline phase. The content of magnesium oxide-containing crystalli... | 08/02/2011 |
| 7396789 | Gasifier reactor internal coating A gasifier internal refractory coating has at least one region of a sintered material containing at least 45% by weight of chromium oxide (Cr2O3) and at least 1% by weight of zirconium oxide, at least 20% by weight of the z... | 07/08/2008 |
| 7351482 | Ceramic compositions for thermal barrier coatings stabilized in the cubic crystalline phase Zirconia-containing ceramic compositions that are capable of providing thermal barrier coatings wherein the zirconia is stabilized in the cubic crystalline phase. These compositions comprise at least about 50 mole % zirconia and a stabilizing amount up to about 49 m... | 04/01/2008 |
| 7341970 | Low thermal expansion articles Compositions, and articles having low thermal expansion suitable for high temperature applications, such as automotive exhaust treatment and method of manufacturing such articles are disclosed. ... | 03/11/2008 |
| 7326468 | Thermal/environmental barrier coating for silicon-comprising materials An article comprising a substrate formed of a silicon-comprising material, such as an article exposed to the hostile thermal environment of a gas turbine engine. The article further comprises an environmental barrier layer, e.g., an alkaline earth metal aluminosilic... | 02/05/2008 |
| 7314678 | Solid oxide fuel cell device with a component having a protective coatings and a method for making such A solid oxide fuel cell device comprises: (a) zirconia based electrolyte; (b) at least one ectrode situated on the electrolyte; (c) a component situated in close proximity to the electrolyte, the component comprising at least one metal or metal oxide capable, at tem... | 01/01/2008 |
| 7287697 | Optical reader having a color imager The present invention relates to an optical reader that includes a color imaging assembly that generates color imaging data. There is described an optical reader that can associate an acquired color image with additional data. ... | 10/30/2007 |
| 7288324 | Synthesis of tetragonal phase stabilized nano and submicron sized nanoparticles Novel, monodispersed, spherical ZrO2 particles in the size range of approximately 10 to approximately 600 nm exhibiting metastable tetragonal crystal structure at room temperature and novel methods of preparation. The ZrO2 particles are approxi... | 10/30/2007 |
| 7255898 | Zirconia toughened ceramic components and coatings in semiconductor processing equipment and method of manufacture thereof A corrosion resistant component of semiconductor processing equipment such as a plasma chamber comprises zirconia toughened ceramic material as an outermost surface of the component. The component can be made entirely of the ceramic material or the ceramic material ... | 08/14/2007 |
| 7169723 | Ceramic with improved high temperature electrical properties for use as a spark plug insulator A ceramic includes alumina in an amount between about 90 and about 99% by weight, a zirconium containing compound in an amount between about 0 and about 1% by weight, and an oxide mixture in an amount between about 1 and about 10% by weight. The oxide mixture includ... | 01/30/2007 |
| 7148167 | Alumina/zirconia ceramics and method of producing the same Alumina/zirconia ceramics containing Al2O3 in an amount of not less than 65 mass % and ZrO2 in an amount of 4 to 34 mass %, and further containing TiO2, MgO and SiO2. The ceramics effectively suppresses the grow... | 12/12/2006 |
| 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 |
| 7129192 | Molten and cast refractory product with high zirconia content The invention concerns a refractory product comprising more than 85% of zirconia (ZrO2), characterized in that it comprises in wt. % with respect to oxides: ZrO2>92%, SiO2: 2 to 8%, Na2O: 0.12 to 1%, Al2O3 | 10/31/2006 |
| 7094718 | ESD dissipative ceramics This invention relates to a dense ceramics having ESD dissipative characteristics, tunable volume and surface resistivities in semi-insulative range (103-1011 Ohm-cm), substantially pore free, high flexural strength, light colors, for desired E... | 08/22/2006 |
| 7094719 | Light-colored ESD safe ceramics Aspects of the present invention may be found in an electrostatic dissipative ceramic component having a stabilized zirconia base, a surface resistivity between 1×105 and 1×1012 ohms per square and at least 2 percent by volume scattering mate... | 08/22/2006 |
| 7067446 | Material demonstrating negative or low thermal expansion coefficient and method for manufacture thereof A material having a negative or low thermal expansion coefficient and composed substantially of a single crystal system is provided. The material is an oxide represented by the chemical formula ((R4+M2+)1-xA3+2... | 06/27/2006 |
| 7056851 | ZrO-AlOcomposite ceramic material A ZrO2—Al2O3 composite ceramic material is provided, which is excellent in mechanical strength and toughness, and has the capability of preventing low temperature degradation. This ceramic material includes a first phase of ZrO | 06/06/2006 |
| 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 |
| 7012036 | ZrO-AlOcomposite ceramic material and production method thereof A ZrO2—Al2O3 composite ceramic material having high mechanical strength and toughness as well as excellent wear resistance and hardness is provided. This ceramic material includes a first phase of ZrO2 grains containing ... | 03/14/2006 |
| 7005187 | Glass for a light filter and a light filter Glass for a light filter capable of preventing variation of refractive index in a band-pass filter has a coefficient of thermal expansion within a range from 90×10−7/° C. within a temperature range from −20° C. to +70° C. and, preferably, Young's ... | 02/28/2006 |
| 6982233 | Fire refractory ceramic molded piece, use thereof and composition for production of molded pieces The invention relates to a fired refractory ceramic molded piece with a spinel matrix based on (Mg)2+ (Al, Cr)23+O4, in which coarser particles based on chromium corundum and/or corundum and coarser particles based on ZrO | 01/03/2006 |
| 6960395 | Ceramic compositions useful for thermal barrier coatings having reduced thermal conductivity Ceramic compositions comprising at least about 91 mole % zirconia and up to about 9 mole % of a stabilizer component comprising a first metal oxide having selected from the group consisting of yttria, calcia, ceria, scandia, magnesia, india and mixtures thereof. Thi... | 11/01/2005 |
| 6946417 | Light-colored ESD safe ceramics Aspects of the present invention may be found in an electrostatic dissipative ceramic component having a stabilized zirconia base, a surface resistivity between 1×105 and 1×1012 ohms per square and at least 2 percent by volume scattering mate... | 09/20/2005 |
| 6916561 | Thermal barrier coatings with lower porosity for improved impact and erosion resistance A reduced thermal conductivity thermal barrier coating having improved impact and erosion resistance for an underlying metal substrate of articles that operate at, or are exposed to, high temperatures. This coating comprises a zirconia-containing ceramic composition... | 07/12/2005 |
| 6902790 | Ceramic sheet and process for producing the same A ceramic sheet has a burr height on the periphery of the sheet of ±100 μm or less and/or a dimple height on the sheet surface of 100 μm or less, as determined by irradiating the sheet with a laser beam to measure reflected light, and three-dimensionally analyzin... | 06/07/2005 |
| 6893994 | Plasma spheroidized ceramic powder Thermal spray powders suitable for application of a thermal barrier coating on a substrate can be obtained by plasma spraying a chemically homogeneous zirconia stabilized in the tetragonal form using a stabilizing oxide such as yttria to obtain a powder comprising s... | 05/17/2005 |
| 6844283 | Zero thermal expansion material and practical component parts making use of the same Using as a negative thermal expansion material a double oxide containing at least partly a compound represented by the chemical formula: RQ,O, (wherein R is Zr, Hf or a tetravalent metallic element represented by a mixture system of these, and Q is a hexavalent meta... | 01/18/2005 |
| 6812178 | Zero thermal expansion material Using as a negative thermal expansion material a double oxide containing at least partly a compound represented by the chemical formula: RQ2O8 (wherein R is Zr, Hf or a tetravalent metallic element represented by a mixture system of these, and ... | 11/02/2004 |
| 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 |
| 6737166 | Sanitary ware The present invention provides the sanitary ware for which it is possible to accurately design the shapes and dimensions of the products after being subjected to firing while maintaining the mechanical strength required to sanitary ware, degradation of the process y... | 05/18/2004 |
| 6723672 | High-strength magnesia partially stabilized zirconia A high strength ceramic body and a method of making same are disclosed. The ceramic body is formed of ceramic composition containing 2.8-5.0% by weight MgO, an effective amount of grain growth inhibiting material, and the balance being essentially zirconia. The crys... | 04/20/2004 |
| 6596041 | Fused AL2O3-MgO-rare earth oxide eutectic abrasive particles, abrasive articles, and methods of making and using the same Fused abrasive particles comprising eutectic material comprising Al2 O3 --MgO-REO eutectic. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and ... | 07/22/2003 |
| 6589448 | Ceramic ball for bearing and ceramic ball bearing using the same A ceramic bearing ball in which at least a portion of a constituent ceramic is formed of an electrically conductive inorganic compound phase, whereby a proper electrical conductivity is imparted to the ceramic. Thus, electrifying of a bearing ball is prev... | 07/08/2003 |
| 6586355 | Slagline sleeve for submerged entry nozzle composition therefore An improved submerged entry nozzle is provided which is useful in the casting of aluminum killed molten steel. The nozzle has an improved slagline sleeve or collar which surrounds the outer portion of the nozzle to protect it from corrosion during the cas... | 07/01/2003 |
| 6576579 | Phosphate-based ceramic A ceramic including a first phase having a general formula R1+(x/2) Zr4 P6-x Six O24 where R is selected from the group consisting of Ba, Ca, and Sr and 0ࣘxࣘ2, wherein the first phase has a volume... | 06/10/2003 |
| 6576580 | Fused cast products based on alumina-zirconia-silica with an improved microstructure Oxidized alumina-zirconia-silica (AZS) refractories containing 40 wt % to 55 wt % Al2 O3, 32 wt % to 45 wt % ZrO2, 10 wt % to less than 16 wt % SiO2 and 1 wt % to 3 wt % of an alkali metal oxide selected from Na... | 06/10/2003 |
| 6551954 | WC-base composite ceramic sintered compact A WC-based composite ceramics sintered body consisting of 40 volume % to 90 volume % of WC including solid-solved oxygen represented by a chemical formula of WCx Oy (where 0.005 | 04/22/2003 |
| 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 |
