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7629280 |
Mineral fibre products
The properties of mineral fibres comprising silicon, magnesium, calcium, iron, aluminium and oxygen atoms are improved by exposure to a heat treatment under oxidising conditions which causes...
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7612005 |
Cerium-based oxide fiber and its fabricating method
This invention discloses a kind of cerium-based oxide fiber and its fabricating method. The cerium-based hydrate fiber can be synthesized by aging under the boiling point of water for 10 hours to...
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7482297 |
Size controlled fibers, tubes and channels synthesized by heterogeneous deposition via sol-gel processing
The present invention is generally directed to a method for making sol-gel ceramic nanofibers, and the compositions resulting from practicing such method. Fibers so formed can be used for...
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7452837 |
Fibrous ceramic monoliths made from multi-phase ceramic filaments
A method for producing composite ceramic material is provided wherein a core ceramic structure is produced and simultaneously enveloped with a sleeve of similar material.
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7442347 |
Heat insulating member for end cone portion of exhaust gas conversion apparatus
A heat insulating member for an end cone portion of an exhaust gas conversion apparatus is formed by laminating sheets each made of alumina-silica based ceramic fibers to form a matte and...
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7413797 |
Backup thermal insulation plate
A backup thermal insulation plate includes a colloidal inorganic oxide-impregnated, pressed and dried high-temperature-resistant inorganic-fiber blanket or board, the plate having a use temperature...
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7413598 |
Mold and method for manufacturing the same
The present invention discloses a mold and a method of manufacturing the mold. The mold includes a mold matrix and a number of boron nitride nanotubes sintered together with the mold matrix. Each...
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7300621 |
Method of making a ceramic matrix composite utilizing partially stabilized fibers
A green body ceramic matrix composite material (30) is formed using ceramic fibers (32) in an intermediate state disposed in a green body ceramic matrix material (34). The fibers may be in either a...
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7198839 |
Ceramic fiber insulation impregnated with an infra-red retardant coating and method for production thereof
The invented insulation is a ceramic fiber insulation wherein the ceramic fibers are treated with a coating which contains transition metal oxides. The invented process for coating the insulation...
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7156161 |
Lightweight thermal heat transfer apparatus
A lightweight thermal heat transfer apparatus, including a core section and a laminate composite section. The core section is substantially similar to a diamond shape. The laminate composite...
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7150837 |
Isotropic pitch-based materials for thermal insulation
Insulation materials suited to high temperature applications, such as the insulation of furnaces, are formed from a mixture of pitch carbon fibers, such as isotropic pitch carbon fibers, and a...
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7083771 |
Process for producing silicon carbide fibers essentially devoid of whiskers
Method for producing silicon carbide fibers by mixing discontinuous isotropic carbon fibers with a silica source and exposing the mixture to a temperature of from about 1450° C. to about 1800° C....
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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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7041266 |
Silicon carbide fibers essentially devoid of whiskers and products made therefrom
Silicon carbide fibers are produced by mixing discontinuous isotropic carbon fibers with a silica source and exposing the mixture to a temperature of from about 1450° C. to about 1800° C. The...
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7005184 |
Silicon carbide fiber having boron nitride layer in fiber surface and process for the production thereof
A silicon carbide fiber having a boron nitride layer in a fiber surface and having the following properties of a to c,
a. the existent ratio of boron slopingly increases towards the surface...
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6987076 |
Bonded fibrous materials
A composite material comprises inorganic-bonded alkaline earth silicate fibers in which any bonding agents or fillers comprise low amounts of aluminum so that the composite material comprises less...
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6967179 |
Process for manufacturing boron nitride fibers from borylborazines
The aim of the present invention is a process for manufacturing boron nitride fibers, in particular continuous boron nitride fibers with good mechanical properties, which may be used for producing...
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6949216 |
Rapid manufacturing of carbon nanotube composite structures
A system for fabricating a free form structure of a composite material including carbon nanotubes. The system includes a discharge assembly and a composite formation device operatively linked with...
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6933045 |
Heat-resistant glass fiber and process for the production thereof
Provided are a heat-resistant glass fiber which has excellent heat resistance, which is also easy to spin and less expensive and which is suitable as an acoustic material for use in an automobile...
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6908667 |
Fiber-reinforced material composed, at least in a surface region, of a metal/ceramic composite, molding composed of the fiber-reinforced material and method of producing the fiber-reinforced material
A method is provided for producing a fiber-reinforced material which is composed, at least in a region of a surface layer, of a ceramic composite and has carbon-containing fibers reaction-bonded to...
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6905992 |
Ceramic body reinforced with coarse silicon carbide whiskers and method for making the same
A ceramic composite made by compacting a starting powder blend. The composite includes between about 50 volume percent and about 99 volume percent of a ceramic matrix; and between about 1 volume...
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6893992 |
Crack-resistant insulating dry refractory
A dry refractory composition having superior resistance to crack propagation. The dry refractory composition includes at least matrix material, filler lightweight material, and metal fibers. The...
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6881693 |
Zirconia-containing inorganic fiber and process for the production thereof
There are provided a high-strength zirconia-containing inorganic fiber having excellent alkali resistance, oxidation resistance, catalyst function and/or catalyst-carrying function and a process...
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6841242 |
Silica yarn for textile with high thermal resistance
The invention relates to a silica yarn and to woven or nonwoven fabrics produced from said yarn, which comprises 30 to 1500 ppm by weight of aluminum and 10 to 200 ppm by weight of titanium in...
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6774074 |
Method for making boron nitride fibers from aminoborazines
The invention concerns a method for making boron nitride fibers by drawing a polymer precursor and treating with ceramics the polymer fibers obtained by drawing. The invention is characterized in...
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6770584 |
Hybrid aerogel rigid ceramic fiber insulation and method of producing same
A hybrid insulation material comprises of porous ceramic substrate material impregnated with nanoporous material and method of making the same is the topic of this invention. The porous substrate...
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6767523 |
Whisker-free silicon carbide fibers
Method for producing discontinuous silicon carbide fibers, useful as heating elements in a low-energy microwave field, from discontinuous carbonized cotton fibers employing an admixture of...
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6746979 |
Alumina fiber aggregate and its production method
An alumina fiber aggregate comprising alumina short fibers whose average diameter is 4.0 to 10.0 μm and smallest diameter is not less than 3.0 μm, and a method of producing an alumina fiber...
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6716782 |
Rigid insulation and method of producing same
A porous ceramic fiber insulating material and method of making a material having a combination of silica (SiO 2 ) and alumina (Al 2 O 3 ) fibers, and boron-containing powders is the topic of the...
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6696144 |
Hybrid monolithic ceramic and ceramic matrix composite airfoil and method for making the same
The present invention is a low density hybrid airfoil comprising a temperature resistant exterior layer and a tough, high impact resistant interior layer. Specifically, the airfoil comprises a...
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6596665 |
Mullite bodies and methods of forming mullite bodies
A mullite composition is comprised substantially of mullite grains that are essentially chemically bound wherein the composition has at least two adjoining regions that have substantially different...
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6589488 |
Molding for supporting a monolith in a catalytic converter
An immobilizing structure for use in immobilizing a ceramic monolith in a catalytic converter employs a molding which comprises finely divided metal oxide and fibers which do not represent a health...
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6582650 |
Organic silicon polymer, inorganic fiber with silicon carbide base, and method of manufacture thereof
An oxide-containing organosilicon polymer containing 1 to 45% by weight of metal oxide particles, an oxide-containing silicon-carbide-based inorganic fiber obtained by using the above organosilicon...
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6573208 |
Homogeneous bulky porous ceramic material
A homogeneous bulky porous ceramic material is provided, the average pore diameter D50 of which is less than 4 μm and the closed porosity of which is less than 2 μm, and having a bubble point...
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6561793 |
Infrared heater with improved matrix
A method of forming a porous ceramic matrix for use in an infrared heating unit comprises the steps of mixing ceramic fibers, organic binders and particulate material capable of infrared emissivity...
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6512879 |
Glass composition and optical device made therefrom
Phosphate free, Er/Yb co-doped borosilicate glass compositions and optical devices made from said compositions are disclosed; said compositions comprising, for 100 parts by weight of: 60 to 70...
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6461415 |
High temperature amorphous composition based on aluminum phosphate
A composition providing thermal, corrosion, and oxidation protection at high temperatures is based on a synthetic aluminum phosphate, in which the molar content of aluminum is greater than...
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6458733 |
Reinforced refractory product
A method for preparing a metal reinforced refractory body comprising the steps of providing a mold for containing a slurry of refractory material. A body of metal fibers is inserted into the mold,...
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6451485 |
Electrical energy devices
The performance of electrochemical energy devices such as batteries, fuel cells, capacitors and sensors is enhanced by the use of electrically conducting ceramic materials in the form of fibers,...
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6444600 |
High strength light-weight ceramic insulator
The present invention relates to a high strength light-weight ceramic insulator and a method for manufacture thereof wherein the light-weight ceramic insulator may be used at a high temperature by...
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6420293 |
Ceramic matrix nanocomposites containing carbon nanotubes for enhanced mechanical behavior
A ceramic matrix nanocomposite having enhanced mechanical behavior is made up of a nanotube filler composed of at least one nanotube material, and a ceramic matrix composed of a nanocrystalline...
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6417125 |
Ceramic insulation
A fibrous ceramic mat is molded from a slurry of ceramic fibers and/or ceramic micropartides and/or a metal. The mat is impregnated with a sol prior to drying. A catalyst for the sol is introduced...
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6390304 |
High performance filters comprising inorganic fibers having inorganic fiber whiskers grown thereon
A filter media system, which is capable of operating in the microfiltration regime, offers: low cost, durability, high temperature and chemical resistance, no particulation, mechanical strength,...
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6383656 |
Perform for metal matrix composite material and cylinder block made of the same
A preform for metal matrix composite material comprising: inorganic particles, small-diameter inorganic fibers, and large-diameter inorganic fibers. An average particle diameter of the inorganic...
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6368713 |
Hollow microfibers and process for producing the same
Hollow carbon microcoils are provided having a pitch that is substantially zero. Also provided are ceramic microcoils comprising a metal nitride, a metal carbide or a metal carbonitride. The...
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6355338 |
Continuous composite coextrusion methods, apparatuses, and compositions
A process for continuous composite coextrusion comprising: (a) forming first a material-laden composition comprising a thermoplastic polymer and at least about 40 volume % of a ceramic or metallic...
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6348428 |
High-purity crystalline inorganic fiber, molded body thereof, and method of production thereof
A crystalline inorganic fiber or molded body thereof is thermally treated in gas atmosphere containing chlorine. The crystalline inorganic fiber or molded body thereof contains small impurities...
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6322889 |
Oxidation-resistant interfacial coating for fiber-reinforced ceramic
A ceramic-matrix composite having a multilayered interfacial coating adapted to protect the reinforcing fibers from long-term oxidation, while allowing these to bridge the wake of advancing cracks...
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6281266 |
Tap hole blocking material for metal melting apparatus
Disclosed is a taphole plugging composition for metal melting apparatus, the composition comprising (a) a refractory aggregate having a maximum particle size of 5 mm or less, (b) graphite and...
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6245701 |
Porous ceramic for producing alkali ion water, method for producing the porous ceramic and device for producing the alkali ion water
The invention relates to a porous ceramic used for producing alkali ion water. The ceramic of the invention includes finely particulate zeolite having an average particle size of 0.1 to 40 μm and...
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