Class / Patent application number | Description | Number of patent applications / Date published |
501002000 | Devitrified glass-ceramics | 38 |
20090156384 | 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 SiO | 06-18-2009 |
20110009254 | Lithium Silicate Materials - Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools. | 01-13-2011 |
20110319252 | COMPOSITE POWDERS - A composite powder includes a plurality of loose particles having discrete regions of a first material and discrete regions of a second material that is different than the first material. At least one of the first material and the second material is a chemical precursor to a third material. | 12-29-2011 |
20140011658 | CERAMIC PARTICLE AND PROCESS FOR MAKING THE SAME - A ceramic particle with at least two microstructural phases comprising an amorphous phase, representing between 30 volume percent and 70 volume percent of the particle, and a first substantially crystalline phase comprising a plurality of predominately crystalline regions distributed through the amorphous phase is disclosed. A process for making the ceramic particle is also disclosed. | 01-09-2014 |
20140148328 | Lithium Silicate Glass Ceramic For Fabrication Of Dental Appliances - A method of fabricating a one crystalline phase lithium silicate glass ceramic and the manufacture of machinable blocks for dental appliances using a CAD/CAM device. The resulting glass ceramic contains a thermodynamically stable lithium silicate crystal through each of the steps of the process due to its specific material formulation. | 05-29-2014 |
501003000 | Halogen containing crystalline phase (e.g., fluormica, etc.) | 5 |
20080254964 | Machineable glass ceramic and manufacturing method thereof - Object: To provide a machineable glass ceramic which has excellent machineable properties and various other physical property values. | 10-16-2008 |
20090318277 | HIGH STRENGTH MACHINABLE GLASS-CERAMICS - In one aspect the invention is directed to a machinable glass-ceramic having a high degree of crystallinity (greater than 50 Vol. %), high mechanical strength (MOR>150 MPa) In accordance with the invention, the machinable glass-ceramics described herein consists essentially of, in weight percent, 35-55% SiO | 12-24-2009 |
20110021336 | Phosphosilicate Glass Ceramic - A phosphosilicate glass ceramic with nanoscale fluoroapatite and leucite crystals. The glass ceramic is very similar to natural tooth material in terms of its optical properties. The glass ceramic has a low linear thermal expansion coefficient and a low pressing temperature and is therefore particularly suitable for pressing on metal alloys to produce dental restoration. | 01-27-2011 |
20110092353 | DURABLE GLASS-CERAMIC HOUSINGS/ENCLOSURES FOR ELECTRONIC DEVICE - The invention relates glass ceramic articles suitable for use as electronic device housing or enclosures which comprise a glass-ceramic material. Particularly, a glass-ceramic article housing/enclosure comprising a glass-ceramic material exhibiting both radio and microwave frequency transparency, as defined by a loss tangent of less than 0.5 and at a frequency range of between 15 MHz to 3.0 GHz, a fracture toughness of greater than 1.5 MPa·m | 04-21-2011 |
20110319253 | HIGH STRENGTH MACHINABLE GLASS-CERAMICS - In one aspect the invention is directed to a machinable glass-ceramic having a high degree of crystallinity (greater than 50 Vol. %), high mechanical strength (MOR>150 MPa) In accordance with the invention, the machinable glass-ceramics described herein consists essentially of, in weight percent, 35-55% SiO | 12-29-2011 |
501004000 | Silica containing crystalline phase (e.g., stuffed quartz, crystobalite, etc.) | 11 |
20090069162 | GLASS COMPOSITION - There is provided a glass composition having a devitrification temperature of 1000° C. or below, a glass transformation temperature (Tg) of 535° C. or below and a specific gravity within a range from 3 to 4. | 03-12-2009 |
20100048374 | System and Method for Fabricating Ceramic Substrates - This invention provides a system and method for establishing proper quantities of components in the initial mixture to be used in the fabrication of a porous ceramic substrate. The components typically consist of a solvent, a bulk fiber such as mullite, an organic binder for use in extrusion of the green substrate, a glass/clay bonding phase that bonds the fibers upon high-temperature curing and a pore former that defines gaps between the particles and is vaporized out of the substrate during curing. By identifying the controllable factors related to each of the components, and adjusting the factors to vary the resulting strength and porosity of the cured substrate, an optimized strength and porosity performance can be achieved. The controlling factors for each component include its relative weight percent in the mixture. The fiber component is also controlled via fiber diameter, diameter uniformity, and fiber length-to-diameter aspect ratio. Likewise, pore former is also controlled by particle size and shape and particle density. The bonding phase may also be controlled based upon its contribution to the viscosity at sintering temperature. | 02-25-2010 |
20100069218 | PROCESS FOR THE PREPARATION OF CERAMIC GLASS MATERIAL IN THE FORM OF SHEETS, SHEETS THUS OBTAINED AND USE THEREOF - A process allowing to obtain ceramic glass material in the form of sheets of large dimensions usable in constructions for panelling or for flooring is described. | 03-18-2010 |
20100099546 | 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 TiO | 04-22-2010 |
20100130341 | Blue Beta-Quartz Glass-Ceramic Materials, Articles Made Thereof, and Fabrication Process - The present invention discloses a blue transparent glass-ceramic material comprising β-quartz solid solution as a predominant crystalline phase and process for making same. The glass-ceramic comprises TiO | 05-27-2010 |
20100298109 | ZIRCONIA-MULLITE REFRACTORY RAW MATERIAL AND A PLATE BRICK - Provided is a zirconia-mullite refractory raw material which is less likely to undergo alternation and microstructural degradation under high-temperature conditions, and low in thermal expansion rate, so as to have thermal shock resistance and corrosion resistance. The zirconia-mullite refractory raw material comprises crystalline zirconia and mullite as primary components, with the remainder being corundum and/or a matrix glass, wherein the crystalline zirconia includes a eutectic zirconia crystal having a grain size of 1.0 μm or less, and has a maximum grain size of 30 μm or less, and the matrix glass is contained in an amount of 5 mass % or less. The zirconia-mullite refractory raw material has a chemical composition comprising 30 to 55 mass % of ZrO | 11-25-2010 |
20110130264 | NEGATIVE-CTE GLASS-CERAMICS FREE OF MICROCRACKS - A glass-ceramic composition, an article, and methods of making and using the composition and article as defined herein. The glass-ceramic compositions and articles have negative-CTE and are substantially free of microcracks. | 06-02-2011 |
20110269615 | COMPOSITIONS AND METHODS FOR CONVERTING HAZARDOUS WASTE GLASS INTO NON-HAZARDOUS PRODUCTS - The present invention provides compositions and methods for converting hazardous waste glass into safe and usable material. In particular, the present invention provides compositions and methods for producing ceramic products from toxic-metal-containing waste glass, thereby safely encapsulating the metals and other hazardous components within the ceramic products. | 11-03-2011 |
20140135201 | TRANSPARENT, COLORLESS, TIN-FINED LAS GLASS-CERAMICS WITH IMPROVED MICROSTRUCTURE AND OPTICAL PROPERTIES - Transparent, essentially colorless and non-diffusing β-quartz glass-ceramics and glass compositions for forming the same have a composition, free of arsenic oxide, antimony oxide and rare earth oxides except for inevitable trace amounts, which contains, expressed as percentages by weight of oxides 62-72% of SiO | 05-15-2014 |
20160152512 | HIGH STRENGTH GLASS-CERAMICS HAVING LITHIUM DISILICATE AND BETA-SPODUMENE STRUCTURES | 06-02-2016 |
20160176752 | Glass ceramic substrate made of a transparent, colored LAS glass ceramic and method for producing it | 06-23-2016 |
501005000 | Binary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.) | 11 |
20090075802 | 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 coefficient of thermal expansion in the range of 70-130×10 | 03-19-2009 |
20090215605 | Process of producing a glass-ceramic, the glass-ceramic made therby and its uses - The process of making the glass-ceramic includes ceramicizing a starting glass at a heating or cooling rate during the ceramicization of at least 10 K/min, so that the glass-ceramic contains at least 50% by volume of ferroelectric crystallites with a maximum diameter of from 20 to 100 nm and not more than 10% by volume of nonferroelectric crystallitesis. The glass ceramic produced by the process contains no pores or not more than 0.01% by volume of the pores and a value of e′·V | 08-27-2009 |
20090291820 | Lithium Silicate Materails - 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 products showing high strength. | 11-26-2009 |
20140206522 | GLASS-CERAMICS COMPOSITE MATERIAL - An easily-administered technology which demonstrates the intrinsic thermal conductivity improvement effect by addition of non-oxide system compound crystal phase (filler particles) and makes it possible to sufficiently raise the thermal conductivity of a glass-ceramics composite material is provided. In the glass phase which constitutes a glass-ceramics composite material, the quantity of aluminum oxide (Al | 07-24-2014 |
20140296053 | GLASS-CERAMICS COMPOSITE MATERIAL - A glass-ceramics composite material suitable for a low-temperature firing use, which has high moisture resistance and thermal conductivity, is provided. | 10-02-2014 |
501006000 | Alkali metal aluminosilicate crystalline phase | 3 |
501007000 | Lithium aluminosilicate (e.g., spodumeme, eucryptite, petalite, etc.) | 3 |
20100130342 | Transparent Glass Ceramic Plate That Has An Opaque, Colored Bottom Coating Over The Entire Surface Or Over Part Of The Surface - A transparent, colorless lithium-aluminosilicate glass ceramic plate with high-quartz mixed crystals as the prevailing crystal phase, which is provided on one side with an opaque, colored, temperature-stable coating over the entire surface or over the entire surface to a large extent, is described, which has a content of Nd | 05-27-2010 |
20110136651 | 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 without employing arsenic and antimony components which adversely affect human beings and the environment, there are provided glass-ceramics comprising SiO | 06-09-2011 |
20220135468 | PHASE SEPARABLE GLASS COMPOSITIONS HAVING IMPROVED MECHANICAL DURABILITY - A glass composition includes: greater than or equal to 53 mol % and less than or equal to 70 mol % SiO | 05-05-2022 |
501008000 | Divalent metal oxide aluminosilicate crystalline phase (e.g., anorthite, slagcerams, etc.) | 3 |
501009000 | Magnesium aluminosilicate (e.g., cordierite, etc.) | 3 |
20090069163 | 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 rivaling that of silicon nitride. The glass-ceramic may be cast as a liquid. Annealing produces a material of high crystallinity combining high hardness, high Young's modulus, good thermal stability, high strength, low density and good dielectric properties. The glass-ceramic comprises interlocking crystalline phases dominated by cordierite and a second phase having an elongated or acicular structure. A third phase may comprise a crystalline ceramic that promotes acicularity of the second phase. The third phase is preferably capable of twinning. | 03-12-2009 |
20100273630 | SYNTHESIZED HYBRID ROCK COMPOSITION, METHOD, AND ARTICLE FORMED BY THE METHOD - The invention relates to synthetic hybrid rock compositions, articles of manufacture and related processes employing mineral waste starting materials such as mine tailings, mine development rock, ash, slag, quarry fines, and slimes, to produce valuable articles of manufacture and products, which are characterized by superior physical and structural characteristics, including low porosity, low absorption, increased strength and durability, and retained plasticity. The resulting materials are compositionally and chemically distinct from conventional synthetic rock materials as demonstrated by scanning electron microprobe analysis, and are useful in a wide variety of applications, particularly with respect to commercial and residential construction. | 10-28-2010 |
20140066283 | Glass Ceramic Composition - A glass ceramic composition that contains a first ceramic including at least one of MgAl | 03-06-2014 |
501010000 | Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.) | 6 |
20080207424 | Bismuth-containing glass, glass-ceramic, articles and fabrication process - Bi-containing glass-ceramic material, especially those containing β-quartz and/or β-spodumene solid solutions as the predominant crystalline phase, and the precursor glass material as well as process of making such glass-ceramic material and articles. The glass-ceramic can be made to have a dark color, and essentially to be free of V | 08-28-2008 |
20090093356 | OPTICAL GLASS - Optical glass constituted by an amorphous matrix and crystal grains dispersed in the amorphous matrix, wherein the amorphous matrix comprises a first oxide of at least one of silicon oxide and phosphor oxide and a second oxide of at least one of titanium oxide and zirconium oxide, and wherein the crystal grains is at least one of titanium oxide, zirconium oxide and silicon, an average grain size of the titanium oxide grain being 3 nm to 20 nm, and the average grain size of the silicon crystal being 3 nm to 8 nm. | 04-09-2009 |
20100113243 | GLASS AND GLASS-CERAMICS - There is provided a lithium ion conductive glass-ceramics which is dense, contains few microvoids causing the decrease in lithium ion conductivity, and achieves good lithium ion conductivity. A glass-ceramics which comprises at least crystallines having an LiTi | 05-06-2010 |
20100292065 | NONLINEAR OPTIC GLASSY FIBER, METHODS OF MAKING AND APPLICATIONS OF THE SAME - A process for producing an optical glass fiber from crystal-glass phase material. In one embodiment, the process includes the step of providing a molten crystal-glass phase material in a container, wherein the temperature of the molten crystal-glass phase material is at or above the melting temperature of the molten crystal-glass phase material, T | 11-18-2010 |
20110028298 | GLASS-CERAMIC CONTAINING NANOSCALE BARIUM TITANATE AND PROCESS FOR THE PRODUCTION THEREOF - A process for the production of a glass-ceramic comprises the following steps:
| 02-03-2011 |
20140336032 | TRANSPARENT ALUMINATE GLASSES, VITROCERAMICS, AND CERAMICS - The invention relates to novel transparent glasses, vitroceramics, and transparent or translucent ceramics containing, in relation to the total composition of the glass, vitroceramic, or ceramic, at least 60 wt% of a composition having the following formula (I): (M1O)x(M2O)y(M3)2O3)z(Al2O3)100−x−y−z (I), where M1 is an element selected from among Ba and/or Sr, M2 is an element selected from among Mg or Ca, x and y are numbers such that 30≦x+y≦80, y is between 0% and 10% of x, M3 is an element selected from among B, Ga, or In, and z is a number between 0% and 10% of (100−x−y). The invention also relates to the method for manufacturing said compositions and to the uses of said compositions in the field of optics. | 11-13-2014 |