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8178476 |
Proppant having a glass-ceramic material
The present invention relates to glass-ceramic proppants which can be used to prop open subterranean formation fractions, as well as other uses. Proppant formulations are further disclosed which...
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8173565 |
Sintered body of low temperature cofired ceramic and multilayer ceramic substrate
In a sintered body of low temperature cofired ceramic constituting ceramic layers of a multilayer ceramic substrate provided with external conductor films, which is obtained by sintering a...
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8167995 |
Inorganic phosphate resins and method for their manufacture
A method is provided for making inexpensive synthetic inorganic resins that are stable, mix easily with water and may be conveniently diluted to form an easy-to-use paste for commercial...
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8158035 |
Light diffusing member with ceramic particles containing magnesium oxide and aluminum oxide
It is an object of the present invention to provide a light diffusing member which has excellent optical transparency and light resistance and has excellent light diffusibility despite of a small...
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8147980 |
Wear-resistant metal matrix ceramic composite parts and methods of manufacturing thereof
The invention relates to a metal matrix ceramic composite (MMCC) wear-parts comprising a wearing portion formed by a ceramic cake and is impregnated by metal. The ceramic cake comprises ceramic...
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8143196 |
Ceramic microspheres for cementing applications
A method and apparatus for manufacturing ceramic microspheres from industrial slag. The microspheres have a particle size of about 38 microns to about 150 microns. The microspheres are used to...
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8142913 |
Polycrystalline monolithic magnesium aluminate spinels
Polycrystalline monolithic magnesium aluminate spinels are disclosed. The polycrystalline monolithic magnesium aluminate spinels have small grain sizes and may be deposited on substrates as thick...
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8123981 |
Method of fabricating translucent phosphor ceramics
One embodiment provides a method for fabricating a translucent phosphor ceramic compact comprising: heating a precursor powder to at least about 1000° C. under a reducing atmosphere to provide a ...
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8110275 |
Mixed particles and honeycomb structure for gas conversion apparatus
Mixed particles including noble metal particles of a noble metal, first particles of one or more metal oxides, and second particles of a metal oxide. The first particles of one or more metal oxides...
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8092928 |
Reinforced ceramic refractory
The disclosed invention relates to a reinforced ceramic refractory made from an as-batched composition comprising alumina; a rare earth oxide; an oxide of a transition metal comprising Sc, Zn, Ga,...
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8080175 |
Scintillator having a MgAI2O4 host lattice
A scintillator having a host lattice of MgAl2O4 was prepared by hot pressing under a vacuum environment a powder mixture of MgAl2O4, CeO2, and LiF.
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8067323 |
Sintered compact
A sintered cubic boron nitride (cBN) compact for use in a tool is obtained by sintering a mixture of (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more refractory metal compounds, and...
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8048817 |
Amorphous silica powder, process for its production, and sealing material for semiconductors
To provide an amorphous silica powder suitable for a sealing material for semiconductors having improved HTSL properties and HTOL properties, and a process for its production. An amorphous silica...
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8048544 |
Ceramics made of preceramic paper or board structures, method of producing the same and use thereof
Ceramics are made of preceramic paper or board structures in a particular shape previously represented in a paper structure, in which the preceramic papers or boards have a content of ceramic...
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8025824 |
Process for producing refractory particles
To provide a process for producing high-purity highly oxidized refractory particles easily with good productivity by treating a spent refractory containing ZrO2 and Al2O3 to reduce components other...
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8021451 |
Fine α-alumina particle
The present invention provides a fine α-alumina particle having a degree of α-transformation of not less than 95%, a BET specific surface area of not less than 10 m2/g, a degree of necking of not m...
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8012898 |
Ceramic with improved high temperature electrical properties for use as a spark plug insulator
An insulator including alumina in an amount between about 90 and about 99% by weight and an oxide mixture or glass mixture including Boron Oxide, Phosphorus Oxide, or both Boron and Phosphorus Oxide.
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7993445 |
Nanoparticles of alumina and oxides of elements of main groups I and II of the periodic table, and their preparation
Nanoparticles are claimed which consist of 50-99.99% by weight of alumina and 0.01-50% by weight of metal oxide of elements of main group I and II of the Periodic Table. These nanoparticles are...
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7976949 |
High strength ceramic elements and methods for making and using the same
One embodiment of the present invention relates to spherical ceramic elements, such as proppants, for maintaining permeability in subterranean formations to facilitate extraction of oil and gas...
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7964538 |
Homogenous synthetic mud-to-cement cementing glasses
A synthetic glass family in the quaternary phase field of CaO—SiO2-Al2O3-MgO (CSAM) with hydraulic and pozzolanic properties for use in differing applications in the gas and oil well cementing a...
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7964263 |
Bonded element, honeycomb segment bonded element, and honeycomb structure using the same
There is disclosed a bonded element manufactured from a bonding material composition being capable of contributing to the lowering of thermal expansion of a bonding material layer sufficiently to...
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7932199 |
Sintered compact
A sintered cubic boron nitride (cBN) compact for use in a tool is obtained by sintering a mixture of (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more refractory metal compounds, and...
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7907383 |
Electrostatic chuck
The present invention provides an electrostatic chuck in which the surface can be kept smooth after being exposed to plasma, so as to protect a material to be clamped such as a silicon wafer from...
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7902284 |
Composition based on organosilicon compounds
Organosilicon compositions which can be cured to produce elastomers, in particular elastomers suitable for use in the food industry, contain very fine particulate aluminum oxide powder in minor...
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7902099 |
Dielectric layers and memory cells including metal-doped alumina
A method of forming (and an apparatus for forming) a metal-doped aluminum oxide layer on a substrate, particularly a semiconductor substrate or substrate assembly, using a vapor deposition process.
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7892623 |
Honeycomb structured body, manufacturing device of honeycomb structured body and manufacturing method of honeycomb structured body
A honeycomb structured body of the present invention is a honeycomb structured body in which plural pillar-shaped honeycomb units are bonded to one another through sealing material layers, each...
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7888279 |
High toughness translucent alumina sintered body, method for producing the same, and its uses
In the conventional alumina sintered bodies, a sintered body having high flexural strength, high toughness and high translucency in combination is not obtained, and a translucent alumina sintered...
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7888278 |
Stabilized alumina supports, catalysts made therefrom, and their use in partial oxidation
The present invention relates to stabilized supports stable at temperatures above 800° C., and method of preparing such supports, which includes adding a rare earth metal to an aluminum-containing ...
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7884055 |
Ceramic microspheres for cementing applications
A method and apparatus for manufacturing ceramic microspheres from industrial slag. The microspheres have a particle size of about 38 microns to about 150 microns. The microspheres are used to...
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7884550 |
Arc tube composed of yttrium aluminum garnet ceramic material
A transparent sintered yttrium aluminum garnet ceramic material formed from a solid-state reaction of a mixture of yttrium oxide powder and aluminum oxide powder during sintering. The ceramic...
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7879258 |
Phosphor in polycrystalline ceramic structure and a light-emitting element comprising same
The invention relates to a phosphor in a polycrystalline ceramic structure and a light-emitting element provided with the same comprising a Light-Emitting Diode (LED) in which a composite structure...
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7876053 |
Nitride sintered body and method for manufacturing thereof
An insulating material high both in thermal conductivity and light reflectance, and a submount high in heat radiatability for mounting an LED element thereon, capable of raising a light utilization...
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7858547 |
Ceramic with improved high temperature electrical properties for use as a spark plug insulator
An insulator including alumina in an amount between about 90 and about 99% by weight and an oxide mixture or glass mixture including Boron Oxide, Phosphorus Oxide, or both Boron and Phosphorus Oxide.
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7854882 |
Moldable and low-temperature cure high-temperature composites
A method for preparing a high-temperature heat-resistant composite material by combining a mixture of submicron alumina powder and submicron silica powder, wherein the ratio of alumina to silica is...
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7855170 |
Homogenous synthetic mud-to-cement cementing glasses
A synthetic glass family in the quaternary phase field of CaO—SiO2-Al2O3-MgO (CSAM) with hydraulic and pozzolanic properties for use in differing applications in the gas and oil well cementing a...
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7846526 |
Honeycomb structural body and sealing material layer
The honeycomb structural body comprises pillar-shaped honeycomb structural porous ceramic members formed by arranging a plurality of cells through cell walls, and a sealing material layer...
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7842632 |
Pulling roll material for manufacture of sheet glass
A pulling roll for glass manufacture comprised of a high-temperature millboard material. The millboard comprises aluminosilicate refractory fiber, silicate, mica, and kaolin clay. A method of...
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7833922 |
Method of forming aluminum oxynitride material and bodies formed by such methods
Methods of forming aluminum oxynitride (AlON) materials include sintering green bodies comprising aluminum orthophosphate or another sacrificial material therein. Such green bodies may comprise...
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7815994 |
Method for producing porous body, porous body, and honeycomb structure
The invention provides a method for producing a porous body comprising: a starting material mixing step of mixing ceramic particles serving as an aggregate and a sintering aid which includes at...
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7799267 |
Method for manufacture of transparent ceramics
The disclosed invention relates to a method of manufacture of transparent ceramics such as yttrium aluminum garnet by tape casting. The method entails forming a mixture of ceramic oxide, dispersant...
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7737063 |
AI2O3-rare earth oxide-ZrO2/HfO2 materials, and methods of making and using the same
Al2O3-rare earth oxide-ZrO2/HfO2 ceramics (including glasses, crystalline ceramics, and glass-ceramics) and methods of making the same. Ceramics according to the present invention can be made,...
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7727920 |
Process for production of ceramic porcelains, ceramic procelains and electronic components
0.5 to 30 parts by weight of a hexagonal celsian powder is added to 100 parts by weight of a ceramic raw material powder to give a mixture. The mixture is sintered to give a ceramic porcelain so as...
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7722520 |
Asbestos containment composition
The compound is a clay aqueous suspension made of at least one 2:1 layer phyllosilicate clay mineral, at least one 1:1 layer phyllosilicate clay mineral, and water that can be used to sequester...
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7708957 |
Thermally stable ceramic media for use in high temperature environments
A chemical processing apparatus that utilizes a ceramic media sintered at a lower temperature than the apparatus' maximum exposure temperature is described. The media's physical and chemical...
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7704315 |
Highly-filled, aqueous metal oxide dispersion
Aqueous dispersion containing a metal oxide powder with a fine fraction and a coarse fraction, in which—the metal oxide powder is silicon dioxide, aluminum oxide, titanium dioxide, zirconium d...
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7704296 |
Fine porosity low-microcracked ceramic honeycombs and methods thereof
Disclosed are high-porosity cordierite honeycomb substrates having fine pore size, narrow pore size distribution, little or no microcracking, and a high thermal shock resistance. The porous ceramic...
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7691764 |
Translucent ceramic, optical component, and optical device
Provided is a translucent ceramic which has a high Abbe number, is advantageous in aberration correction, and can be easily produced. The translucent ceramic contains, as a main component, a garnet...
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7691765 |
Translucent material and manufacturing method of the same
After synthesizing particles by liquid phase synthesis, the solution is substituted without drying these particles, and here, a solution comprising a grain boundary phase composition consisting of...
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7683001 |
Dielectric layers and memory cells including metal-doped alumina
A method of forming (and an apparatus for forming) a metal-doped aluminum oxide layer on a substrate, particularly a semiconductor substrate or substrate assembly, using a vapor deposition process.
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7678725 |
Translucent polycrystalline alumina ceramic
A polycrystalline body includes aluminum oxide, magnesium oxide, zirconium oxide, and lutetium oxide. The lutetium oxide is present in an amount of at least 10 ppm of the weight of the ceramic...
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