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7629389 |
Production method of alkaline zirconia sol
A production method of an alkaline zirconia sol including: a process (I) in which an alkaline zirconia sol (A) is mixed with a basic zirconium carbonate salt (B1), the alkaline zirconia sol (A)...
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7625653 |
Ionic conductor
A material which conducts protons or oxide ions with high ionic conductivity and is excellent in moisture resistance and reduction resistance is provided. A perovskite oxide represented by the...
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7622411 |
Thermal barrier coating material
There is provided a novel thermal barrier coating material which does not have a problem of phase transition, whose melting point is higher than its working temperature range, whose thermal...
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7608552 |
Dental material or product and method of forming a dental product
The disclosure relates to metal oxide powders with a bimodal particle size distribution, to ceramics that can be made from these metal oxide powders, especially milling ceramics for use in dental...
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7585347 |
Ceramic filter
A ceramic filter is provided, including a base body having partition walls made of a ceramic porous body and defining cells, filter membranes provided on the partition walls which are made of a...
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7572748 |
Materials comprising barium zirconate and methods for manufacturing thereof
A method for manufacturing barium zirconate particles includes providing a mixture of materials that includes barium, zirconium and a sintering aid, wherein the sintering aid includes at least one...
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7566674 |
Dental ceramics and method for the manufacture thereof
In dental ceramics containing zirconium dioxide and silicon-dioxide with a Zr/Si ratio of between 0.5 and 1.0, 1 to 12 wt % of aluminum oxide and up to 2 wt % of an alkali- or earth alkali metal...
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7547652 |
Vitreous compositions of the vitroceramic type, transparent to infrared
The invention relates to vitreous compositions, in particular of the vitroceramic type, transparent to infrared, production and uses thereof. Said compositions comprise in mol. %: Ge 5-40, Ga<1,...
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7541103 |
Coated plastic substrate module
A coated plastic substrate module ( 100 ) includes a plastic substrate ( 110 ), an organic coating ( 130 ), and a modulating film ( 120 ) sandwiched therebetween. The modulating film is made from...
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7538055 |
Transparent zirconia sintered body
A primary sintered body having a density of 95 % or more obtained by sintering a zirconia powder comprising an yttria main component as a stabilizer under ordinary pressure is set in a vessel of a...
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7504157 |
Strontium titanium oxides and abradable coatings made therefrom
Abradable coatings are provided. The coatings comprise SrTiO in combination with a ceramic, such as ytrria stabilized zirconia, or SrTiO in combination with an MCrAlX, such as NiCoCrAlY. The...
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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 (Cr 2 O 3 ) and at least 1 % by weight of zirconium...
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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...
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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.
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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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7129192 |
Molten and cast refractory product with high zirconia content
The invention concerns a refractory product comprising more than 85% of zirconia (ZrO 2 ), characterized in that it comprises in wt. % with respect to oxides: ZrO 2 >92%, SiO 2 : 2 to 8%, Na 2...
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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 1×10 5 and 1×10 12 ohms per...
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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...
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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...
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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...
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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) 2 3+ O 4 , in which coarser particles based on chromium corundum and/or corundum and...
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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 1×10 5 and 1×10 12 ohms per...
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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...
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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...
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6893993 |
Polycrystalline material, process for producing thereof, and articles manufactured therefrom
The proposed material consists of zirconium dioxide crystallites of tetragonal modification of acicular or platy form, having a size not exceeding 0.05 mm, oriented parallel to their long axes and...
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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...
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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: RQ 2 O 8 (wherein R is Zr, Hf or a tetravalent metallic...
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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...
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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...
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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...
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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 Al 2 O 3 —MgO-REO eutectic. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives,...
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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...
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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...
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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 % Al 2 O 3 , 32 wt % to 45 wt % ZrO 2 , 10 wt % to less than 16 wt % SiO 2 and 1 wt % to 3 wt % of an alkali metal...
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6576579 |
Phosphate-based ceramic
A ceramic including a first phase having a general formula R 1+(x/2) Zr 4 P 6-x Si x O 24 where R is selected from the group consisting of Ba, Ca, and Sr and 0≦x≦2, wherein the first phase has...
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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 WC x O y (where...
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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...
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6528451 |
Catalyst support material having high oxygen storage capacity and method of preparation thereof
Mixed oxides of cerium oxide and zirconium oxides having a high oxygen storage and high oxygen release rate are disclosed. The mixed oxides are made of polycrystalline particles of cerium oxide and...
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6517693 |
Ion conductor
The invention presents an ion conductor with high reliability, that is one of the following perovskite oxides: {circle around (1)} perovskite oxide of the composition BaZr 1-x Ce x O 3-p ...
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6475940 |
Wear resistant member for electronic equipment and bearing and spindle motor therewith
Wear resistant member for electronic equipment comprises a zirconium oxide sintered body of which specific resistance is in the range from 1 to 10 5 Ω·m. A conductivity enhancer of which...
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6468325 |
Method of making phosphate-based ceramic filters
The present invention provides a method of making a ceramic filter, by forming a mixture from NZP-forming raw material powders selected from metal oxide sources capable of reacting to form a...
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6461991 |
Alumina-magnesia-graphite refractory
A re-usable alumina-magnesia graphite refractory suitably used for a refractory for continuous casting, such as a long nozzle used for pouring a molten metal from a ladle capable of re-use or...
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6436861 |
Calcium zirconate/magnesia porous composites and their fabrication process
The present invention relates to porous calcium zirconate/magnesia composites having a thermally and chemically stable porous structure, which consist of sintered compacts having a fine composite...
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6403511 |
Process for making isotropic negative thermal expansion ceramics
Ceramic monoliths are described which exhibit tunable coefficients of thermal expansion from about −5 to −11×10 −6 ° C. −1 near ambient temperatures. These two-phase ceramics, which are...
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6365123 |
Sol-gel processed metal-zirconia materials
A metal-zirconium oxide material made by sol-gel techniques from alkoxides including heterometallic alkoxides. The heterometallic alkoxides include zirconium and another metal selected from alkali...
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6309749 |
Ceramic milling media containing tetragonal zirconia
The present invention is milling media composed of ceramic particles having an average size of 0.1 to 20 mm. The ceramic particles contain a tetragonal zirconia core and a continuous shell on the...
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6284691 |
Yttria-stabilized zirconia feed material
A method is provided for physical vapor deposition of ceramic thermal barrier coatings and articles made therefrom Impurity levels in conventional yttria stabilized zirconia source materials have...
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6261983 |
Magnesia spinel refractory brick
The present invention discloses novel magnesia-spinel refractory compositions and bricks formed thereof that exhibit longer lining life, greater hot strength and reduced tendency to spall under...
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6194083 |
Ceramic composite material and its manufacturing method, and heat resistant member using thereof
A ceramic composite material comprises a ceramic material constituting a matrix, and dispersion particles disposed in the matrix in a dispersing manner. A specific shape of a ceramic composite...
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6180559 |
Supported catalysts and catalyst support materials and process for the manufacture of 1,2-epoxybutane
Disclosed are certain catalysts and catalyst support materials and processes for the preparation of the catalyst support materials and for the selective hydrogenation of 3,4-epoxy-1-butene (EpB) to...
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