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| Number | Title | Issue Date |
| 7294164 | Narrow pore size distribution aluminum titanate body and method for making same This invention relates to an aluminum titanate body having a narrow pore size distribution as characterized by the relation (d50−d10)/d50 being less than 0.50 corresponding to a high degree of interconnected porosity. The body also... | 11/13/2007 |
| 7288497 | Ceramic powder A ceramic powder including silicon dioxide, iron oxide, iron, magnesium oxide, aluminum oxide, and a trace element group. The silicon dioxide occupies the powder of total weight from 81% to 86%; the iron oxide occupies the powder of total weight from 12% to 16%; the... | 10/30/2007 |
| 7259120 | Aluminum titanate ceramic articles and methods of making same An aluminum titanate ceramic article having a predominant crystal phase of aluminum titanate and a material composition including aluminum, titanium, silica, an alkaline earth metal (e.g., at least one selected from the group of strontium, calcium, barium, or combin... | 08/21/2007 |
| 7244687 | Batch for producing a refractory ceramic shaped body, shaped body made therefrom, and a use thereof The invention relates to a composition for the production of a refractory ceramic moulded body, a non-fired or fired moulded body formed from the composition and a possibility for use. ... | 07/17/2007 |
| 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 |
| 7045476 | Aerated refractory, method for producing high-temperature structural members An aerated refractory is provided comprising a mixture containing a phosphate compound, a metal oxide, a calcium containing compound; and an agent for increasing the volume of the mixture. Also provided is a method for protecting a substrate with aerated refractory,... | 05/16/2006 |
| 6908879 | Ceramic article, carrier for catalyst, methods for production thereof, catalyst for producing ethylene oxide using the carrier, and method for producing ethylene oxide A ceramic article is disclosed which contains aluminum, silicon, and titanium in a total amount of at least 99% by weight as reduced to the oxides (Al2O3+SiO2+TiO2) and assumes an acidic color in methyl red, an indicator o... | 06/21/2005 |
| 6887810 | Synthetic, refractory material for refractory products, and process for producing the product A material for refractory shaped bodies or compounds, the material being a pleonaste and/or a spinel of the pleonaste type. In addition to FeOx and Al2O3, the material also includes MgO. The ratio of the iron in the material is calcu... | 05/03/2005 |
| 6872242 | Fireproof mixture and elastifier for the same and method for its production A mixture, in particular for the production of fireproof molded bodies, including a fireproof metal oxidic main component, and an elastifying component containing a mineral emery. If needed, a binder component such as lignin sulphonate is added. A method is provided... | 03/29/2005 |
| 6758991 | Stable inert anodes including a single-phase oxide of nickel and iron Ceramic inert anodes useful for the electrolytic production of aluminum are disclosed. The inert anodes comprise an oxide of Ni and Fe having a controlled Ni/(Ni+Fe) mole ratio which results in a single-phase structure at the operation temperatures of aluminum produ... | 07/06/2004 |
| 6753283 | Synthetic, refractory material for refractory products, and process for producing the product A material for refractory shaped bodies or compounds, the material being a pleonaste and/or a spinel of the pleonaste type. In addition to FeOX and Al2O3, the material also includes MgO. The ratio of the iron in the material is calcu... | 06/22/2004 |
| 6740612 | Resistor for refractory shaped bodies, and shaped bodies derived therefrom A resistor, which is solidified from a melt, is provided for a refractory shaped body, and includes a refractory mineral metal-oxide main component having elasticizers a general formula A2+B3+2O4 in an amount so that solub... | 05/25/2004 |
| 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 |
| 6498119 | Chemically bonded phosphate ceramics of trivalent oxides of iron and manganese A new method for combining elemental iron and other metals to form an inexpensive ceramic to stabilize arsenic, alkaline red mud wastes, swarfs, and other iron or metal-based additives, to create products and waste forms which can be poured or dye cast.... | 12/24/2002 |
| 6482760 | Refractory ceramic mass and use thereof The invention relates to a refractory ceramic mass comprising 60 to 99 MgO sinter and 1 and 40 wt.-% of a manganese containing spinel.... | 11/19/2002 |
| 6372677 | Low thermal expansion and high rigidity ceramic sintered body The low thermal expansion and high rigidity ceramic sintered body of this invention is characterized by assuming as a crystal structure a hexagonal close-packed structure and substantially comprising solid solution crystal grains represented by the formul... | 04/16/2002 |
| 6133498 | Method for producing chemically bonded phosphate ceramics and for stabilizing contaminants encapsulated therein utilizing reducing agents Known phosphate ceramic formulations are improved and the ability to produce iron-based phosphate ceramic systems is enabled by the addition of an oxidizing or reducing step during the acid-base reactions that form the phosphate ceramic products. The addi... | 10/17/2000 |
| 5908801 | Process for the production of synthetic dolomite A process for the production of synthetic dolomite comprising: grinding a dry and low impurity level mineral dolomite; incorporating additives selected from the group consisting of iron as Fe2 O3, silica (SiO2) and magnesi... | 06/01/1999 |
| 5880048 | Granular ceramic for water deoxidization and method of producing the same A ceramic and method of producing the same are disclosed, the ceramic having as principal ingredients natural zeolite and shells, wherein silver nitrate, magnesium oxide, potassium oxide, sodium oxide selenium oxide and ferric oxide are added thereto, and... | 03/09/1999 |
| 5880046 | Moldable refractory composition and process for preparing the same This moldable refractory composition is intended to be used in the production of cast refractory pieces resistant to molten metals, especially molten aluminum. It comprises 8 to 25% by weight of an aqueous phosphoric acid solution having a concentration o... | 03/09/1999 |
| 5770536 | Fiber reinforced spray mix A pulverulent fiber-reinforced spray mix is disclosed in which about 0.02 to 0.3 wt. % of flexible, thermoset polymer fibers resistant to decomposition at a temperature up to about 400° F. are added for each 100 wt. % of other solids in the mix to form a... | 06/23/1998 |
| 5723394 | Refractory ceramic mass and its use The present invention pertains to a refractory ceramic mass, consisting of 50 to 97 wt. % of sintered MgO as well as 3 to 50 wt. % of a spinel of the hercynite type.... | 03/03/1998 |
| 5645772 | Refractory ceramic mass for lining the bottoms of electric arc furnaces and process for their repair A process for repairing bottom linings of D.C. arc furnaces. A refractory ceramic mass is used for lining the bottoms of D.C. arc furnaces in the area of metallic electrodes placed therein, wherein the refractory ceramic mass comprises one or more refract... | 07/08/1997 |
| 5637556 | Process and water-base fluid for controlling the dispersion of solids application to drilling For controlling the dispersion of solids, e.g., cuttings, in water-based fluid used during operations such as drilling, completion or workover operations in a well crossing at least one permeable geologic formation, there is added to the fluid an optimize... | 06/10/1997 |
| 5629251 | Ceramic coating-forming agent and process for the production thereof A ceramic coating-forming agent of an Mg-M3+ -O based two-component oxide solid solution capable of forming a ceramic coating excellent in heat resistance, adhesion to a substrate metal, electric insulation and the properties of low thermal exp... | 05/13/1997 |
| 5595948 | Magnesia-titania refractory and method for manufacturing the same A refractory is disclosed which contains integrally sintered magnesia particles forming the skeleton of the refractory and a mineral phase of magnesium orthotitanate (Mg2 TiO4) formed between the magnesia particles, thus giving an in... | 01/21/1997 |
| 5573987 | Refractory ceramic mass and its use The present invention pertains to a refractory ceramic mass, consisting of a pure magnesia component A and a component B, which consists of granules of pure magnesia, wherein the magnesia granules of component B have a ceating consisting of a refractory m... | 11/12/1996 |
| 5569631 | Refractory ceramic mass and its use The present invention pertains to a refractory ceramic mass, consisting of 50 to 97 wt. % of sintered MgO as well as 3 to 50 wt. % of a spinel of the hercynite type.... | 10/29/1996 |
| 5567663 | Cordierite honeycomb ceramics and method producing the same Cordierite honeycomb ceramics comprises a cordierite phase as a main ingredient. A value of [Fe2 O3 wt %/(MgO wt %+Fe2 O3 wt %)]×100 is 2-10, where a ferric component is calculated as Fe2 O3. | 10/22/1996 |
| 5529732 | Underlying boards for firing and a method for firing ceramic moldings by using such underlying boards A firing underlying board having a long use life free from thermal expansion and which does not cause twisting of ribs, deformation of an end face, color change or cracking in a honeycomb structural body fired on the underlying board. The firing underlyin... | 06/25/1996 |
| 5461014 | Lead perovskite based ceramic compositions without any free lead oxide A ceramic composition which includes Pb(Mg1/3 Nb2/3)O3 or the oxide precursors thereof, in admixture with barium copper oxide of the formula BaCuO2 as a sinter aid therefor. The compositions do not contain any f... | 10/24/1995 |
| 5458833 | Method of thermal treatment of mineral raw material Method for the production of sintered dolomite, wherein at least carbonate material is ground into particles, formed into a predetermined shape, such as briquettes, deacidified and then heated to a predetermined temperature.... | 10/17/1995 |
| 5346870 | Aluminum titanate ceramic and process for producing the same An aluminum titanate ceramic has as main crystalline phases, a crystalline phase of aluminum titanate and a solid solution thereof, a crystalline phase of mullite and a crystalline phase of rare earth titanate represented by RE2 Ti2 ... | 09/13/1994 |
| 5294250 | Self-fluxing binder composition for use in the pelletization of ore concentrates A self-fluxing binder composition for use in the pelletization of an ore concentrate, especially iron ore concentrates. The composition comprises from 50 to 98% by weight of one or more carrier having a high surface area, and from 2 to 50% by weight of a ... | 03/15/1994 |
| 5288671 | Magnetite water slurry composition A process and apparatus are provided for breaking the glass components of articles comprised of glass and nonglass components and liberating the glass components from the nonglass components by subjecting the articles to controlled vibrations sufficient t... | 02/22/1994 |
| 5246648 | Production of sintered dolomite in a rotary kiln Method for the production of sintered dolomite, wherein at least carbonate material is ground into particles, formed into a predetermined shape, such as briquettes, deacidified and then heated to a predetermined temperature.... | 09/21/1993 |
| 5171724 | Magnesia-alumina type spinel clinker and method of producing refractory by using same A magnesia-alumina type spinel clinker contains Fe2 O3 and TiO2 at boundaries between crystal grains, and a refractory produced by using the clinker has excellent corrosion resistance and cement coating properties. The ref... | 12/15/1992 |
| 5158915 | Magnesia-based sintered body and process for preparing same A magnesia-based sintered body of a homogeneous composition having a porosity lower than 1% and a hydrateability lower than 0.3%, said sintered body having a chemical composition comprising 70 to 99.9% by weight of magnesia and 30 to 0.1% by weight of at ... | 10/27/1992 |
| 5096642 | Process for producing a high density ceramic of perovskite A process for producing a high density ceramic of perovskite represented by the formula: ABO3 wherein A is one or more metal elements coordinated with 12 oxygen atoms, and B is one or more metal elements coordinated with 6 oxygen atoms, which c... | 03/17/1992 |
| 5043305 | High thermal expansion coefficient ceramic sinter and a composite body of the same and metal The ceramic sinter is composed of a metal oxide such as ZrO2 and 10-90 vol. % of metal fluoride which is selected from the group having not less than 2.5 electronegativity difference between fluoride and the metal element. The ceramic sinter ha... | 08/27/1991 |
