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8162664 |
Lithium silicate materials
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate...
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8158261 |
Glass-ceramic composite encapsulation material
A glass-ceramic composite encapsulation material composed of glass matrix materials of SiO2, Al2O3, BaO and B2O3, and at least one glass filler selected from the group consisting of kaliophilite...
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8133828 |
Lanthanum oxide-doped glass-ceramics
Glass-ceramic compositions exhibiting high reliability and tensile strength are described. The compositions can include crystal phases including roedderite and/or potassium fluorrichterite. The...
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8114795 |
Glass-ceramics and method for manufacturing the same
For providing glass-ceramics having properties suitable for use as a substrate of an information storage medium of next generation such as one for the perpendicular magnetic recording system...
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8093167 |
Glass composition and substrate
For providing glasses and glass-ceramics having properties suitable for use as a substrate of an information storage medium of next generation such as one for the perpendicular magnetic recording...
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8071493 |
Crystallized glass
In all of an in-plane magnetic recording system and a perpendicular magnetic recording system, there is provided a crystallized glass for a disk substrate for information recording medium, etc.,...
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8063000 |
Low bulk density proppant and methods for producing the same
Materials and methods for making low bulk density proppant capable of providing permeability at subterranean pressures. The low bulk density proppant is made from kaolin clay and at least one of...
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7993571 |
Silicon carbide ceramic components having oxide layer
A ceramic component is provided, including a ceramic body containing silicon carbide, and an oxide layer provided on the ceramic body, the oxide layer being formed by oxidizing the ceramic body in...
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7993137 |
Lithium silicate materials
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate...
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7913516 |
Crystallized glass article having patterns and method of producing the same
A crystalline glass with a characteristic of precipitating crystals from the surface of the crystalline glass to the interior thereof when it is being heated at a temperature higher than the...
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7906444 |
Armor material made of glass ceramics
The invention relates to a glass ceramic armour material consisting (in % by weight in relation to oxide base) of 5-33 SiO2, 20-50 Al2O3, 5-40 MgO, 0-15 B2O3, 0.1-30 Y2O3, Ln2O3, As2O3, Nb2O3...
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7892995 |
Lithium silicate glass ceramic and method for fabrication of dental appliances
The present invention relates to preparing an improved lithium silicate glass ceramic for the manufacture of blocks for dental appliance fabrication using a CAD/CAM process. The lithium silicate...
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7875565 |
Transparent glass-ceramic armor
The invention is directed to transparent glass-ceramic materials for use in transparent armor systems. Applications include armor systems for ground vehicles and aircraft as well as personal...
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7871948 |
Lithium silicate glass ceramic
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate...
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7867931 |
Lithium silicate glass ceramic
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate...
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7867930 |
Lithium silicate glass ceramic
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate...
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7832233 |
Method of making staged burnout enamels for second surface firing of multilayer glass structures
The present invention provides a method of making a decorated multilayer glass structure using a single firing step that includes that use of a crystallizing glass enamel composition that contains...
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7816291 |
Lithium silicate materials
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate...
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7790656 |
Proppants and anti-flowback additives made from sillimanite minerals, methods of manufacture, and methods of use
Spherical and rod-shaped proppants and anti-flowback agents made from sillimanite minerals possess high strength and high conductivity. The sillimanite minerals may be selected from the group...
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7732026 |
Silicon carbide ceramic components having oxide layer
A ceramic component is provided, including a ceramic body containing silicon carbide, and an oxide layer provided on the ceramic body, the oxide layer being formed by oxidizing the ceramic body in...
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7704903 |
Antimicrobial phosphate glass with adapted refractive index
The invention provides an antimicrobial phosphate glass composition including, in weight percent based on oxide: greater than 45 to 90 of P2O5, 0 to 60 of B2O3, 0 to 40 of SiO2, 0 to 20 weight...
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7674735 |
Glass-ceramic seals for use in solid oxide fuel cells
The invention is directed to highly crystalline, frit-sintered glass-ceramic materials and seals made using them that are suitable for solid oxide fuel cell applications. The seals have a...
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7666505 |
Synthetic microspheres comprising aluminosilicate and methods of making same
A synthetic microsphere having a low alkali metal oxide content and methods of forming the microsphere and its components are provided. The synthetic microsphere is substantially chemically inert...
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7615284 |
Crystallized glass article having patterns and method of producing the same
A crystalline glass with a characteristic of precipitating crystals from the surface of the crystalline glass to the interior thereof when it is being heated at a temperature higher than the...
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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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7591961 |
Translucent piezoelectric glass ceramic
A translucent piezoelectric glass ceramic is disclosed. The glass ceramic is prepared from a precursor glass by a ceraming process, using a temperature gradient to effect the precipitation of...
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7589038 |
Inorganic composition
The present invention provides an inorganic composition for use in information recording medium disc substrate and such, having an excellent surface property capable of sufficiently corresponding...
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7465687 |
Tough cordierite glass-ceramics
An internally nucleated, toughened cordierite glass-ceramic is disclosed. The cordierite glass-ceramic has good oxidation resistance and fracture toughness and coefficient of thermal expansion...
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7452836 |
Lithium silicate glass ceramic
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate...
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7410921 |
High thermal expansion cyclosilicate glass-ceramics
The invention is directed to highly crystalline, frit-sintered glass-ceramic compositions having a coefficient of thermal expansion in the range of 85-115×10−7° C. The primary crystal phases of the...
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7387838 |
Low loss glass-ceramic materials, method of making same and electronic packages including same
A glass-ceramic is provided having a thermal expansion coefficient in a range of 3-6 ppm/° C., a dielectric constant that is less than 5 and a Quality factor Q of at least 400. The glass-ceramic ...
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7368408 |
Glass-ceramic composition, glass-ceramic sintered body, and monolithic ceramic electronic component
A glass-ceramic composition contains first ceramic particles principally containing forsterite; second ceramic particles principally containing at least one selected from the group consisting of...
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7365036 |
Crystallized glass spacer for field emission display and method its production
Provided is a crystallized glass spacer for a field emission display resistant to charging with application of an electric field and resistant to chipping or cracking thanks to high fracture...
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7351674 |
Insulating ceramic composition, insulating ceramic sintered body, and mulitlayer ceramic electronic component
An insulating ceramic composition forming insulating ceramic layers (3) stacked in a multilayer ceramic substrate (2) used in a monolithic ceramic electronic component, such as a multilayer ceramic...
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7316740 |
Lithium silicate materials
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate...
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7306845 |
Optical materials and optical devices
Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or...
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7297645 |
Opalescent glass-ceramic product
An opalescent glass-ceramic product, especially for use as a dental material or as an additive to or component of dental material, including SiO2, Al2O3, P2O5, Na2O, K2O, CaO and Me(IV))O2. In...
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7214635 |
CaO-MgO-SiO2-based bioactive glass and sintered calcium phosphate glass using same
A bioactive glass having a composition substantially comprising 20 to 40 mol % of CaO, 40 to 60 mol % of SiO2, and 10 to 20 mol % of MgO is high in bioactivity and mechanical strength, and a...
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7189668 |
Barium lanthanum silicate glass-ceramics
This invention relates to glass-ceramic materials in the BaO—La2O3—SiO2 system, which are suitable for processing via a powder route, and which, after heat-treatment have a combination of high the...
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7189670 |
Dielectric ceramic and multilayer ceramic substrate
A dielectric ceramic obtained by firing a raw material comprising an alumina powder, a crystallizable glass powder mainly containing SiO2, CaO and MgO, and a noncrystallizable glass powder mainly...
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7176154 |
Ceramic composition and ceramic wiring board
To provide a ceramic composition and a ceramic wiring board that can be formed by the firing at a low temperature of 1,000° C. or less, has high strength and is advantageous when electronic ...
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7172649 |
Leucite glass ceramic doped with nanoscale metal oxide powder, method for producing the same, and dental materials and dental products formed therefrom
The disclosure relates to a leucite glass ceramic doped with nanoscale metal oxide, to a doped leucite glass ceramic powder suitable for its production, to a method for producing the doped leucite...
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7169725 |
Ceramic products, raw batch formulations, and method
The invention provides a method to transform large quantities of waste glass into useful ceramic products by a low-cost manufacturing process. The method improves green strength compared to...
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7166548 |
Apatite glass ceramic based on siliceous oxyapatites
Apatite glass ceramic which contains at least one glass phase and at least one apatite phase and is characterized in that at least one of the apatite phases is a phosphate- and fluorine-free...
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7144833 |
Dielectric ceramic composition and laminated ceramic device using the same
A dielectric ceramic composition containing crystalline glass, amorphous glass and a ceramic filler, characterized in that a softening point of said crystalline glass is higher than a softening...
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7141520 |
Antimicrobial alkali-silicate glass ceramic and the use thereof
The invention relates to a glass ceramic, wherein the initial glass comprises 30–65 percent (by weight) SiO2; 5–30 percent (by weight) Na2O; 5–30 percent (by weight) CaO, and 0-15 percent (by weigh...
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7015161 |
Substrate for information recording medium and magnetic recording medium composed of crystallized glass
Provided is a substrate for information recording medium composed of such a crystallized glass as having high Young's modulus, strength and heat resistance, being excellent in surface smoothness,...
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7015160 |
Glass ceramic dielectric material suitable for production of a microwave circuit component
Glass powder for a dielectric material has a nature that, when fired, diopside (CaMgSi2O6) and at least one of titanite (CaTi(SiO4)O) and titania (TiO2) are precipitated. Preferably, the glass...
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6924245 |
Glass ceramic composition, glass ceramic sintered material and ceramic multilayer substrate
A glass ceramic composition which can be fired at a low temperature and which has a high dielectric constant, a relatively small thermal expansion coefficient and a small temperature coefficient of...
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6914023 |
Substrate for flat panel display and thin film electroluminecence element
The object of the present invention is to provide a flat-panel-display substrate which is high in heat resistance, of which the coefficient of thermal expansion is approximated to that of a thick...
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