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US20150183681 Veneer Ceramic for Dental Restorations and Method for Veneering Dental Restorations  
The invention is directed to starting glass compositions for veneer ceramics for dental restorations of framework ceramics comprising yttrium-stabilized zirconium dioxide. It is the object of the...
US20120094822 Lithium silicate glass ceramic for fabrication of dental appliances  
The present invention relates to a method of fabricating an improved lithium silicate glass ceramic and to that material for the manufacture of blocks for dental appliances using a CAD/CAM process...
US20110259053 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...
US20150064472 DAMAGE RESISTANT GLASS WITH HIGH COEFFICIENT OF THERMAL EXPANSION  
Ion exchangeable glasses having coefficients of thermal expansion (CTE) at least about 90×10−7 ° C.−1. The glasses undergo rapid ion exchange, for example, in a molten KNO3 salt bath to a depth of...
US20110218268 X-ray Opaque Barium-Free Glasses and Uses Thereof  
Zirconium-containing BaO- and PbO-free X-ray opaque glasses having a refractive index nd of about 1.54 to about 1.58 and a high X-ray opacity with an aluminum equivalent thickness of at least...
US20100084016 Intermediate Thermal Expansion Coefficient Glass  
Aluminoborosilicate glasses which may be useful in photovoltaic, photochromic, electrochromic, or Organic Light Emitting Diode (OLED) lighting applications are described.
US20120135226 ION EXCHANGABLE GLASS WITH DEEP COMPRESSIVE LAYER AND HIGH DAMAGE THRESHOLD  
Glasses comprising SiO2, Al2O3, and P2O5 that are capable of chemical strengthened by ion exchange and having high damage resistance. These phosphate-containing glasses have a structure in which...
US20150140325 ION EXCHANGEABLE HIGH DAMAGE RESISTANCE GLASSES  
Embodiments of glass composition including at least about 65 mol % SiO2, Al2O3 in the range from about 7 mol % to about 11 mol %, Na2O in the range from about 13 mol % to about 16 mol %; and a...
US20150074974 ION-EXCHANGED GLASS OF HIGH SURFACE COMPRESSION AND SHALLOW DEPTH OF LAYER WITH HIGH RESISTANCE TO RADIAL CRACK FORMATION FROM VICKERS INDENTATION  
Disclosed are alkali aluminosilicate glasses having unexpected resistance to indentation cracking. The glasses obtain this high resistance as a result of a high level of surface compression...
US20110306486 ALUMINO-BOROSILICATE GLASS FOR THE CONFINEMENT OF RADIOACTIVE LIQUID EFFLUENTS, AND METHOD FOR TREATING RADIOACTIVE LIQUID EFFLUENTS  
An alumino-borosilicate glass for the confinement, isolation of a radioactive liquid effluent of medium activity, and a method for treating a radioactive liquid effluent of medium activity,...
US20090155533 Method for producing glass or glass ceramic and in particular glass or glass ceramic article  
In order to obtain glass or glass ceramic materials having increased strength, the invention provides a method for producing glass or glass ceramic articles, which comprises the steps: producing...
US20130047672 TRANSPARENT, COLORLESS LOW-TITANIA BETA-QUARTZ GLASS-CERAMIC MATERIAL  
Transparent, essentially colorless β-quartz glass-ceramic materials, the composition of which is free of As2O3 and of Sb2O3, where said composition contains a specific combination of three...
US20080213495 Mother glass composition for gradient-index lens, gradient-index lens, manufacturing method thereof, optical product, and optical device  
The present invention provides a mother glass composition for gradient-index lens, from which a lead-free Li-based gradient-index lens that is excellent in weather resistance, in particular...
US20140066286 NIOBIUM DOPED SILICA TITANIA GLASS AND METHOD OF PREPARATION  
This disclosure is directed to a silica-titania-niobia glass and to a method for making the glass. The composition of the silica-titania-niobia (SiO2—TiO2—Nb2O5) glass, determined as the oxides,...
US20120309607 LITHIUM DISILICATE GLASS-CERAMIC, METHOD FOR PRODUCTION THEREOF AND USE THEREOF  
The invention relates to glass-ceramics based on the lithium disilicate system which can be mechanically machined easily in an intermediate step of crystallisation and, after complete...
US20120035041 ALUMINOSILICATE GLASSES WITH IMPROVED FINING BEHAVIOUR  
Mineral materials selected from lithium aluminosilicate glasses containing vanadium, precursors of glass-ceramics, and glass-ceramics colored by vanadium contain solid solution(s) of β-quartz...
US20150065329 METHODS OF MAKING GLASS FROM ORGANIC WASTE FOOD STREAMS  
The invention introduces new glasses, and new methods for making glass, glass-ceramics, and/or ceramic articles from inorganic compounds extracted from organic waste streams, including food waste...
US20140335331 ALKALI-FREE PHOSPHOBOROSILICATE GLASS  
Alkali-free phosphoboroaluminosilicate glasses are provided. The glasses include the network formers SiO2, B2O3, and at least one of Al2O3 and P2O5. The glass may, in some embodiments, have a...
US20140243183 FUSION FORMABLE LITHIUM ALUMINOSILICATE GLASS CERAMIC  
A down-drawable glass ceramic. The glass ceramic has a composition which yields a liquidus viscosity that enables formation of the parent glass by down-draw techniques such as fusion-draw and...
US20090162608 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...
US20150239777 HIGH STRENGTH ANTIMICROBIAL GLASS  
A method of making a glass having antimicrobial properties and high compressive stress. The method includes a first ion exchange step in which potassium cations are exchanged for sodium cations in...
US20080068703 Glass Composition Containing Bismuth and Method of Amplifying Signal Light Therewith  
The present invention provides a novel glass composition in which fluorescence derived from bismuth (Bi) is obtained and whose meltability is improved. The glass composition of the present...
US20090131239 BASE GLASS COMPOSITION FOR GRADED-REFRACTIVE-INDEX ROD LENS AND GRADED-REFRACTIVE-INDEX ROD LENS PRODUCED FROM THE SAME  
A glass composition suitable for producing a graded-refractive-index rod lens having an angular aperture of 16-20° without containing lead or thallium and a graded-refractive-index rod lens...
US20150158758 Fusion Formable Alkali-Free Intermediate Thermal Expansion Coefficient Glass  
A compositional range of high strain point and/or intermediate expansion coefficient alkali metal free aluminosilicate and boroaluminosilicate glasses are described herein. The glasses can be used...
US20130037105 FUSION FORMABLE ALKALI-FREE INTERMEDIATE THERMAL EXPANSION COEFFICIENT GLASS  
A compositional range of high strain point and/or intermediate expansion coefficient alkali metal free aluminosilicate and boroaluminosilicate glasses are described herein. The glasses can be used...
US20090129061 ALKALI-FREE ALUMINOBOROSILICATE GLASSES FOR LIGHTING MEANS WITH EXTERNAL OR INTERNAL CONTACTING  
The invention relates to aluminoborosilicate glasses as a glass casing body of a lighting means, especially for background illumination, which glass composition is equally suitable for use in...
US20090018007 LITHIUM-ALUMINOSILICATE GLASS WITH SHORT GLAZING TIMES  
A lithium-aluminosilicate glass or a corresponding glass ceramic that has a content of 0-0.4 SnO2, 1.3-2.7% by weight of ΣSnO2+TiO2, 1.3-2.5% by weight of ZrO2, 3.65-4.3% by weight of ΣZrO2+0.87...
US20130186140 LITHIUM ALUMINOSILICATE GLASS WITH HIGH MODULUS OF ELASTICITY, AND METHOD FOR PRODUCING SAME  
A lithium aluminosilicate glass and a method for producing such lithium aluminosilicate glass are provided. The glass has a composition, in mol %, of: SiO2 60-70; Al2O3 10-13; B2O3 0.0-0.9; Li2O...
US20080269038 METAL COLLOID-COLORED GLASS CERAMIC AND COLORLESS GLASS CONVERTIBLE INTO SAME  
The colorless transparent colloid-former-containing glass that is convertible into a colorless transparent glass ceramic or a metal colloid-colored glass ceramic via respective heat treatments...
US20050095303 Highly purity bioactive glass and method for the production thereof  
The present invention relates to a high-purity bioactive glass, having the following composition in % by weight: SiO2  35-86Na2O 5.5-35CaO  4-46P2O5  1-15Further additional0.05-15substances and to...
US20090286667 OPTICALLY DETECTABLE, FLOATABLE ARSENIC-AND ANTIMONY-FREE, GLAZABLE LITHIUM-ALUMINOSILICATE GLASS  
An optically detectable, floatable arsenic- and antimony-free, glazable lithium-aluminosilicate glass that can be prestressed and the glass ceramic converted therefrom are described. The glass or...
US20100099546 TRANSPARENT, COLORLESS TITANIA-FREE BETA-QUARTZ GLASS-CERAMIC  
The invention relates to a transparent and essentially colorless β-quartz glass-ceramic material which is free of TiO2, As2O3, Sb2O3 and phosphates; articles formed from said glass-ceramic...
US20130122284 ION EXCHANGEABLE GLASS WITH HIGH CRACK INITIATION THRESHOLD  
Alkali aluminosilicate glasses that are resistant to damage due to sharp impact and capable of fast ion exchange are provided. The glasses comprise at least 4 mol % P2O5 and, when ion exchanged,...
US20120178612 METHOD FOR PRODUCING GLASS FOR DISPLAY SUBSTRATE  
A glass for a display substrate composed of 50 to 70% SiO2, 10 to 25% Al2O3, 8.4 to 20% B2O3, 0 to 10% MgO, 6 to 15% CaO, 0 to 10% BaO, 0 to 10% SrO, 0 to 10% ZnO, 0 to 5% TiO2, 0 to 5% P2O5, 0.01...
US20110217534 Method for producing glass for display substrate  
A glass for a display substrate composed of 50 to 70% SiO2, 10 to 25% Al2O3, 8.4 to 20% B2O3, 0 to 10% MgO, 6 to 15% CaO, 0 to 10% BaO, 0 to 10% SrO, 0 to 10% ZnO, 0 to 5% TiO2, 0 to 5% P2O5, 0.01...
US20130189486 THIN LITHIUM-ALUMINOSILICATE GLASS FOR THREE DIMENSIONAL PRECISION MOLDING  
A thin lithium-aluminosilicate glass is provided. The glass is suitable for three dimensional precision molding and suitable for toughening, wherein after toughening, the glass has a center...
US20090208428 Bioactive Glass  
The present invention relates to a bioactive glass comprising strontium and silicon dioxide, processes for the production of the bioactive glass and the use of the bioactive glass in medicine.
US20150064474 Ion Exchangeable Glass, Glass Ceramics and Methods for Making the Same  
Glass-ceramics and precursor glasses that are crystallizable to glass-ceramics are disclosed. The glass-ceramics of one or more embodiments include rutile, anatase, armalcolite or a combination...
US20060233887 Bioactive material for use in stimulating vascularization  
The present invention relates to a bioactive material, particularly one which comprises SiO2 and CaO and optionally Na2O and/or P2O5, for use in stimulating vascularisation and pharmaceutical...
US20100041539 OPTICAL GLASS  
An optical glass is provided that includes a refractive index (nd) of no less than 1.75 and an Abbe number (vd) of no less than 10 as optical constants. A Bi2O3 content is no less than 10% by...
US20140162863 HIGH VISIBLE TRANSMISSION GLASSES WITH LOW SOLAR TRANSMISSION  
Glasses are described which have characteristics that produce high visible transmittance, low solar transmittance, and high selectivity. The glasses can also preferably have a blue-green color. A...
US20140106168 X-RAY-OPAQUE BARIUM-FREE GLASS AND USES THEREOF, ESPECIALLY IN POLYMER-BASED DENTAL COMPOSITIONS  
The X-ray-opaque glass, which is free of BaO and PbO except for at most impurities, has a refractive index nd of from 1.50 to 1.58 and a high X-ray opacity with an aluminium equivalent thickness...
US20130288001 TEMPERED GLASS, AND TEMPERED GLASS PLATE  
Provided is a tempered glass having a compression stress layer in a surface thereof, the tempered glass comprising, as a glass composition in terms of mol %, 45 to 75% of SiO2, 3 to 15% of Al2O3,...
US20150147575 FAST ION EXCHANGEABLE GLASSES WITH HIGH INDENTATION THRESHOLD  
Alkali aluminosilicate glasses that are ion exchangeable to high compressive stresses, have fast ion exchange kinetics, and high intrinsic damage resistance. The glasses achieve all of the above...
US20080268295 GLASS-CERAMICS  
Glass-ceramics include SiO2, Al2O3 and Li2O on oxide basis. In the glass-ceramics, total amount in mass % of SiO2 and Al2O3 is less than 77% and Li2O/(SiO2+Al2O3) which is the ratio in mass % of...
US20080248942 Porous phosphorous glass compositions  
A porous phosphorous glass composition, as calculated in weight percent on an oxide basis, including, for example: about 30-60 SiO2; about 2-25 P2O5; about 0-5 B2O3; about 20-50 Al2O3; about...
US20130011607 HIGH REFRACTIVE INDEX GLASS  
Provided is a high refractive index glass, comprising, as a glass composition in terms of mass %, 0 to 10% of B2O2, 0.001 to 35% of SrO, 0.001 to 30% of ZrO2+TiO2, and 0 to 10% of La2O2+Nb2O5,...
US20080066495 BIOACTIVE GLASS COMPOSITIONS  
A bioactive glass composition, a method and an implant. The glass composition comprising SiO2, Na2O, K2O, CaO, and P2O5, having the following composition: SiO2 48-52 wt-%, Na2O 9-15 wt-%, K2O...
US20120157290 HIGH PERFORMANCE GLASS CERAMICS AND METHOD FOR PRODUCING HIGH-PERFORMANCE GLASS CERAMICS  
The invention relates to a glass ceramic comprising article, wherein the integral, non-post-processed and non-reworked glass ceramic comprising article comprises at least three different types of...
US20100210755 X-ray Opaque Barium-Free Glasses and Uses Thereof  
Zirconium-containing BaO- and PbO-free X-ray opaque glasses having a refractive index nd of about 1.57 to about 1.61 and a high X-ray opacity with an aluminum equivalent thickness of at least...

Matches 1 - 50 out of 109 1 2 3 >