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7605110 |
Ceramic body, ceramic catalyst body and related manufacturing methods
A ceramic body, a ceramic catalyst body, a ceramic catalyst body and related manufacturing methods are disclosed wherein a cordierite porous base material has a surface, formed with acicular...
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7521389 |
Ceramic proppant with low specific weight
A precursor composition for the production of granulated ceramic material, particularly for ceramic proppants, comprises 20 to 55% by weight of magnesium orthosilicate, 20 to 35% by weight of MgO,...
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7510991 |
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 (Al 2 O 3 ) that is sintered under high temperature, resulting...
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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%;...
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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.
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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...
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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...
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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 FeO x and Al 2 O 3 , the material also includes MgO. The...
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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...
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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...
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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 A 2+ B 3+ 2...
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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...
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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...
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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.
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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...
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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...
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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 Fe 2 O...
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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...
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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...
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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...
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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.
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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...
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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...
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5629251 |
Ceramic coating-forming agent and process for the production thereof
A ceramic coating-forming agent of an Mg-M 3 + -O based two-component oxide solid solution capable of forming a ceramic coating excellent in heat resistance, adhesion to a substrate metal, electric...
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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 (Mg 2 TiO 4 ) formed between...
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5567663 |
Cordierite honeycomb ceramics and method producing the same
Cordierite honeycomb ceramics comprises a cordierite phase as a main ingredient. A value of [Fe 2 O 3 wt %/(MgO wt %+Fe 2 O 3 wt %)]×100 is 2-10, where a ferric component is calculated as Fe 2...
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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...
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RE35210 |
Sprayable insulating liner compositions for metal vessels
Sprayable aqueous insulating liner compositions for metal casting vessels such as permanent refractory lined tundishes are disclosed that contain a water insoluble and hydration resistant...
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5461014 |
Lead perovskite based ceramic compositions without any free lead oxide
A ceramic composition which includes Pb(Mg 1 /3 Nb 2 /3)O 3 or the oxide precursors thereof, in admixture with barium copper oxide of the formula BaCuO 2 as a sinter aid therefor. The...
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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...
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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...
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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...
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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...
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5171724 |
Magnesia-alumina type spinel clinker and method of producing refractory by using same
A magnesia-alumina type spinel clinker contains Fe 2 O 3 and TiO 2 at boundaries between crystal grains, and a refractory produced by using the clinker has excellent corrosion resistance and...
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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...
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5096642 |
Process for producing a high density ceramic of perovskite
A process for producing a high density ceramic of perovskite represented by the formula: ABO 3 wherein A is one or more metal elements coordinated with 12 oxygen atoms, and B is one or more metal...
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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 ZrO 2 and 10-90 vol. % of metal fluoride which is selected from the group having not less than 2.5 electronegativity difference between...
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5006490 |
Method for the formation of refractory products from and disposal of asbestos
A method of physically and chemically altering asbestos which comprises mixing the asbestos with a selected metal and reacting the mixture to form an end product including slag, in which the...
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4816072 |
Dispersion process for ceramic green body
A process is described for the preparation of a ceramic green body by hydrolyzing at least one alkoxide selected from each of two specified groups to form a dispersion of their reaction product,...
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4780434 |
Refractory composition
A refractory composition which is suitable for forming a sliding gate to be used at the bottom of a ladle or tundish is provided. The refractory composition comprises 10 to 30 parts by weight of an...
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4775648 |
Heavy ceramic shaped material, process for the production thereof and the use thereof
Heavy ceramic shaped material with a content of at least one of the components magnesia, fired dolomite, chromite and spinel, characterized by a microcrack system substantially homogeneously...
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4751070 |
Low temperature synthesis
Ultrafine particles of ceramic or metallic material are obtained at low temperatures from a nitrate source capable of endothermic decomposition by molecularly combining under a nitrogen atmosphere...
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4678761 |
Sinterable and strengthened magnesium oxide ceramic materials
Magnesium oxide ceramic bodies may be strengthened by inclusion of zirconium oxide particles, and may be further sintered to a density approaching theoretical density by conventional sintering...
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4617280 |
Refractory lining and process for its manufacture
Refractory lining for e.g. casting boxes comprising a refractory matrix and precipitated silica, the silica being precipitated in situ to form a structure, imparting to the material a volume weight...
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4598054 |
Ceramic material for a honeycomb structure
A ceramic material for a honeycomb structure is formed from a mixture of raw materials comprising, per 100 parts by weight of the mixture, 20 to 80 parts by weight of cordierite powder and 20 to 80...
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4497901 |
Forsterite-carbon refractory
A forsterite-carbon refractory containing forsterite material, carbonaceous material, silicon carbide and magnesia refractory material.
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4490474 |
Fused cast high chrome refractory and method for manufacturing same
A fused cast ceramic composition having superior corrosion and stoning resistance in the presence of E glass when compared with prior art compositions having comparable chromia content. The...
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4476235 |
Green molded product containing asbestos tailings suitable for firing
There is disclosed a green moulded product suitable for preparing shaped fired units comprising (a) at least 55% to 99% by weight of non-calcined asbestos tailings, the remainder comprising (b) at...
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4436831 |
Calcined member for arc-extinguishing chambers
A calcined member for arc-extinguishing chambers which are installed in electromagnetic contactors and magnetic circuit breakers for high-voltage applications. The calcined member consists of an...
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4397962 |
Energy storage element and method of making same
An energy-storage element, i.e. a body of high heat capacity capable of storing thermal energy and especially electrothermal energy, consists of 50-95% magnesium oxide, 5-50% iron oxide and a...
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