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7628878 |
Ceramic material suitable for repair of a space vehicle component in a microgravity and vacuum environment, method of making same, and method of repairing a space vehicle component
A precursor of a ceramic adhesive suitable for use in a vacuum, thermal, and microgravity environment. The precursor of the ceramic adhesive includes a silicon-based, preceramic polymer and at...
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7615201 |
Spherical particles of silica-containing compound oxide and method of production
By using a halogen-free siloxane and an organometallic compound containing at least one metal other than silicon as feed stocks, and simultaneously atomizing and burning them in a flame, spherical...
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7528087 |
Porous mullite bodies and methods of forming them
A porous mullite composition is made by Forming a mixture of one or more precursor compounds having the elements present in mullite (e.g., clay, alumina, silica) and a property enhancing compound....
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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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7473464 |
Porous material and method for production thereof
According to the present invention, a porous material is characterized by comprising: a connected structure formed by combining silicon carbide which is an aggregate with cordierite which is a...
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7446067 |
Ceramic green sheet and ceramic substrate
A ceramic green sheet of the invention contains an inorganic powder and an organic resin and is characterized in that the inorganic powder contains 72 to 98% by weight of aluminum oxide, 1 to 12%...
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7335617 |
Refractory product for a checker work element of a glass furnace regenerator
The invention relates to a melted and cast refractory product which is intended, for example, for a checker work element of a glass furnace regenerator, having the following average chemical weight...
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7309674 |
Refractory composition and process for the repair of a hot refractory wall
The present invention relates to refractory composition consisting essentially of 40-90 dry weight % of amorphous silica aggregates, up to 40 dry weight % of alumina based compounds 10-15 dry...
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7307033 |
Method for producing α-alumina particulate
A method for producing an α-alumina particulate is described. The method for producing an α-alumina particulate comprises steps of (Ia) and (Ib), or a step of (II):
(Ia) removing water...
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7300898 |
Low CTE cordierite body
Disclosed is a sintered ceramic article that exhibits a primary crystalline phase of cordierite having an analytical oxide composition, expressed in weight percent on an oxide basis, of 49-53% SiO...
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7285507 |
Ceramic composition being fired at low temperature and having high strength and method for preparing the same, and laminated electronic parts using the same
A high-strength, low-temperature-sintered ceramic composition having a structure comprising a SrAl 2 Si 2 O 8 Crystal and an Al 2 O 3 crystal, the SrAl 2 Si 2 O 8 crystal being composed of...
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7258707 |
AI2O3-La2O3-Y2O3-MgO ceramics, and methods of making the same
Al 2 O 3 —La 2 O 3 —Y 2 O 3 —MgO ceramics (including glasses, crystalline ceramics, and glass-ceramics) and methods of making the same. Ceramics according to the present invention can be...
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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...
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7250384 |
Method for producing cordierite-based porous material
A method of manufacturing a cordierite porous body of the present invention is a method of manufacturing the cordierite porous body using a cordierite forming material including an Al source, an Si...
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7237596 |
Thermal shock resistant casting element and manufacturing process thereof
The present invention concerns an element for the casting of a liquid metal, comprising a base body made from a refractory material, said body comprising an outer surface and an inner surface...
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7229940 |
Dense cordierite based sintered body and method of manufacturing the same
A dense cordierite based sintered body is provided, containing at least 93% by mass of cordierite among crystal components present in the sintered body. The average particle diameter of the...
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7211533 |
Oxide porcelain composition, ceramic multilayer substrate, and ceramic electronic component
An oxide porcelain composition includes at least one metal element selected from Al, Si, Ba, B and Cr. The oxide porcelain composition contains about 11.5 weight percent to 60.0 weight percent of...
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7204878 |
Refractory mixes containing condensed tannin and furfuryl alcohol, and their uses
This invention relates to refractory mixes produced by mixing a refractory material with an organic binder and heating to a temperature of typically from about 50° C. to about 100° C. to form a...
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7182891 |
Non-basic refractory compound as well as its uses
This invention concerns a non-basic refractory batch as well as its use.
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7169322 |
Aqueous dispersion, process for its production and use
Aqueous dispersion containing a silicon-aluminum mixed oxide powder, the powder containing 0.1 to 99.9 wt. % Al 2 O 3 and Si—O—Al-bonds. The dispersion can be produced using dispersing and/or...
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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...
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7166271 |
Silica-coated boehmite composites suitable for dentifrices
Disclosed is a composite material comprising a boehmite substrate coated with a precipitated silica, the composite having a BET specific surface area of from 1 m 2 /g to 50 m 2 /g, such that the...
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7148168 |
Method for producing aluminum titanate sintered compact
The present invention provides a raw material composition for preparing a sintered body of aluminum titanate, the composition comprising (i) 100 parts by weight of a mixture comprising 40 to 50 mol...
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7112549 |
Low thermal expansion ceramic and member for exposure system
A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group...
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7101820 |
Crystalline compositions of doped aluminum phosphate
The disclosed invention relates to novel crystalline compositions which may be obtained by doping the alpha (α) form of AlPO 4 ceramics, which find use as piezoelectric materials, stable supports...
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7101821 |
Silicon composition
This invention provides a silicon composition comprising at least 15 wt % of hydrolysed silicon compounds and at least 3 wt % of a binder material. The silicon composition is used in the...
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7091146 |
Enhanced ceramic material for precision alignment mechanism
Ceramics containing 80 wt % or greater of alumina (Al 2 O 3 ), with Mn, Ti, Fe, Si, Ca and Mg, with Mn—Al spinal (MnO.Al 2 O 3 ) crystals and anorthite crystals (CaO.Al 2 O 3 .2SiO 2 ) generated...
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7074733 |
Unwrought refractory composition, in particular for producing glass furnace hearths
An unwrought refractory composition, in particular for producing glass furnace hearths, includes a base mixture comprising in wt. %: 1 to 6% of a hydraulic cement, and 94 to 99% of particles of at...
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7067447 |
Strain tolerant aggregate material
A material ( 100 ) formed of a sintered aggregation of ceria particles ( 106 ), mullite particles ( 108 ) and an alumina matrix material ( 110 ). Differential thermal expansion of the ceria and...
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7063801 |
Composite material and method for preparing the same, and raw composite material used for preparing the same
The invention relates to an improvement in tourmaline known as a functional ore. In particular, the invention provides a composite having a novel formation in which a far infrared radiation...
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7037870 |
Ceramic sintered body and process for producing the same
A ceramic sintered body comprising from 90 to 99.8% by volume of cordierite and from 0.2 to 10% by volume of mullite based on 100% by weight of a total sum of the contents of the cordierite and the...
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7015167 |
Raw material with a high content of aluminum oxide, and method of manufacturing the raw material
A raw material with a high content of aluminum oxide has the following composition, in weight-percent, based on dry weight:
Al 2 O 3 50–80% MgO 2–15% SiO2 1–15% CaO...
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7001861 |
Aluminum titanate-based ceramic article
An aluminum titanate-based ceramic article having a composition comprising u (Al 2 O 3 —TiO 2 )+v (R)+w (3Al 2 O 3 —2SiO 2 )+x (Al 2 O 3 )+y (SiO 2 )+z (1.1SrO-1.5Al 2 O 3 -13.6SiO 2 —TiO 2...
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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...
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6987077 |
Fired spinel complex oxide and method for preparing the same
A fired spinel complex oxide is produced by firing a mixture containing a slag by-produced in chromium refining, a reducer, and a silica-containing material, and is essentially composed of: 29 to...
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RE38888 |
Cordierite body
A ceramic comprising predominately a cordierite-type phase approximating the stoichiometry Mg 2 Al 4 Si 5 O 18 and having a coefficient of thermal expansion (25-800° C.) of greater than 4×10...
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6936557 |
Mineral composition and method for manufacturing the same
A novel multipurpose mineral composition capable of emitting a large quantity of far infrared rays, negative ions and oxygen heat is manufactured by setting up an iron railing, an iron rod and an...
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6933255 |
Beta-spodumene ceramics for high temperature applications
A method of preparing beta-spodumene bodies from a plastic batch comprised entirely of minerals, absent a glass component. The resulting structure has a stoichiometry of 1:1:4 (Li 2 O:Al 2 O 3 :SiO...
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6921578 |
Low-reflection glass article
A low reflection film comprising silica fine particles and a binder in a weight ratio proportion of 60:40 to 95:5 is obtained by mixing starting fine particles comprising at least non-aggregated...
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6919289 |
Methods and compositions for low thermal expansion ceramic
Methods and compositions are provided for making low temperature sintering ceramic bodies that have very low thermal expansion and low porosity.
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6849181 |
Mullite-aluminum titanate diesel exhaust filter
The invention is directed at a mullite-aluminum titanate porous diesel particulate filter constituting a porous ceramic body containing, expressed in terms of weight percent of the total body, of...
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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...
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6780804 |
Extended particle size distribution ceramic fracturing proppant
A proppant mixture with an extended particle size distribution exhibits improved properties, such as crush strength and conductivity, as compared with a conventional product with a narrow size...
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6774075 |
Halogen-resistant media
Ceramic mass and thermal transfer media suitable for use in thermal regenerative oxidizers made using a mixture of a ball clay, talc and optionally a dolomitic limestone have enhanced resistance to...
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6753277 |
Ceramics having excellent high-frequency characteristics and method of producing the same
Ceramics comprising filler crystal particles having an average particle diameter of not smaller than 2.5 μm and a matrix crystal phase present on the grain boundaries of the filler crystal...
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6753299 |
Composite silica proppant material
An improved lightweight and highly permeable proppant composition for use in increasing the productivity of a gas or oil well. The proppant composition includes equal amounts by weight of...
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6749769 |
Crystalline compositions of doped aluminum phosphate
The disclosed invention relates to novel crystalline compositions which may be obtained by doping the alpha (α) form of AlPO 4 ceramics, which find use as piezoelectric materials, stable supports...
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6677261 |
Alumina-bound high strength ceramic honeycombs
Strong, high-surface-area honeycombs of alumina or other ceramic composition are provided by compounding and shaping a moldable ceramic powder extrusion batches including a cellulosic temporary...
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6667262 |
Self-lubricating ceramic composites
The invention comprises a self-lubricating ceramic composite characterized as having a low porosity derived from a mixture of at least one ceramic powder preferably selected from the group...
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6660673 |
Use of particulate materials containing TiO2 in refractory products
In order to reduce wear on refractory linings due to corrosion and the infiltration of slags and molten metals, particulate materials containing TiO 2 are added to the refractory products...
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