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| Number | Title | Issue Date |
| 7406841 | Glass-ceramic product with variably adjustable zero crossing of the CTE-T curve The present invention relates to a process for producing a glass-ceramic with a defined zero crossing of the CTE-T curve (CTE: coefficient of thermal expansion), and glass-ceramic products produced using the process according to the invention. ... | 08/05/2008 |
| 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 products showing high strength. ... | 01/08/2008 |
| 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))O | 11/20/2007 |
| 7297171 | Methods of making ceramics comprising AlO, REO, ZrOand/or HfOand Nb0and/or TaO Methods for making glass-ceramics comprising Al2O3, REO, at least one of ZrO2 or HfO2 and at least one of Nb2O5 or Ta2O5. Glass-ceramics according to the present invention can be... | 11/20/2007 |
| 7258707 | AIO-LaO-YO-MgO ceramics, and methods of making the same Al2O3—La2O3—Y2O3—MgO ceramics (including glasses, crystalline ceramics, and glass-ceramics) and methods of making the same. Ceramics according to the present invention can be made, formed as, or... | 08/21/2007 |
| 7252713 | Mesoporous glass as nucleant for macromolecule crystallisation A method of facilitating the crystallisation of a macromolecule comprising the step of adding a mesoporous glass to a crystallisation sample wherein the mesoporous glass comprises pores having diameters between 4 nm and 100 nm and has a surface area of at least 50 m... | 08/07/2007 |
| 7253128 | Ceramics comprising AIO, YO, ZrOand/or HfO, and NbOand/or TaOand methods of making the same Ceramics comprising (i) at least one of Nb2O5 or Ta2O5 and (ii) at least two of (a) Al2O3, (b) Y2O3, or (c) at least one of ZrO2 or HfO2. Embodiments of cer... | 08/07/2007 |
| 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 previous methods, and does not require water or any other liquid solvent. On... | 01/30/2007 |
| 7170674 | Fluorescence glass, optical wave guide for optical amplifier and optical amplifier module The present invention provides fluorescent glass containing at least 50 mol % of at least one kind of oxide selected from the group consisting of SiO2, GeO2, and P2O5 as a glass constituent of a region containing a Bi ion ... | 01/30/2007 |
| 7147544 | Glass-ceramics Glass-ceramics and methods of making the same. Embodiments of the invention include abrasive particles. The abrasive particles can be incorporated into a variety of abrasive articles, including bonded abrasives, coated abrasives, nonwoven abrasives, and abrasive bru... | 12/12/2006 |
| 7101819 | Alumina-zirconia, and methods of making and using the same Alumina-zirconia materials and methods of making the same. Embodiments of the invention include abrasive particles. The abrasive particles can be incorporated into a variety of abrasive articles, including bonded abrasives, coated abrasives, nonwoven abrasives, and ... | 09/05/2006 |
| 7040121 | Sealing lighting device component assembly with solder glass preform by using infrared radiation Disclosed is a method for sealing and affixing a component assembly for an electrical lighting device to a glass lamp envelope. The assembly used in the process comprises the component, such as an electrode lead wire and a solder glass perform. The process is useful... | 05/09/2006 |
| 6984261 | Use of ceramics in dental and orthodontic applications The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications. ... | 01/10/2006 |
| 6976372 | Sealing lighting device component assembly with solder glass preform by using induction heating Disclosed is a process for sealing component assembly to an electrical lighting device using induction healing. The assembly comprises the component, such as an electrode lead wire, and a solder glass perform. The process is useful, for example, in hermetically seal... | 12/20/2005 |
| 6887920 | Fillings and composite dental materials containing the fillings The present invention provides a filler which has high water resistance and high acid resistance, and high releasing abilities of ions such as fluorine ions, and can maintain high aesthetic appreciation for a long period of time, and a dental composite material comp... | 05/03/2005 |
| 6878464 | Glass-ceramic composite material and multilayered circuit substrate A glass-ceramic composite material for use in forming a multilayered circuit substrate is provided which has a low dielectric constant, but exhibits a relatively high thermal expansion coefficient. Specifically, the glass-ceramic composite material comprises a glass... | 04/12/2005 |
| 6797048 | Method for preparing glass-ceramic The present invention provides a method for preparing a glass-ceramic containing leucite crystals, comprising the steps of: mixing (1) a glassy material comprising 53 to 65 wt. % of SiO2, 13 to 23 wt. % of Al2O3, 9 to 20 wt. % of K | 09/28/2004 |
| 6674236 | Gas-discharge display panel and process for manufacturing the display panel A display panel is provided that has a multilayer structure made of a colored glass layer having a desired shape and optical characteristics and a non-colored glass layer having high transparency, as well as high productivity. The display panel has a non-... | 01/06/2004 |
| 6485622 | Lithium ion conductive glass-ceramics and electric cells and gas sensors using the same Lithium ion conductive glass-ceramics comprise in mol %: P2 O5 30-45% SiO2 0-15% GeO2 + TiO2 25-50% ... | 11/26/2002 |
| 6413619 | Method of making ceramic member and marked ceramic member According to the present invention, there is provided a method of marking a ceramic member, which comprises firing, in an atmosphere, a ceramic green body containing at least 0.05% by weight of a color changing agent capable of developing different color ... | 07/02/2002 |
| 6340650 | Ceramic products made from waste glass, 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 major steps of the method consist of dry preparation of glass powder, granulation with a non-aqueous organic... | 01/22/2002 |
| 6287993 | Long-lasting phosphorescent glasses and glass-ceramics Long-lasting phosphorescent glasses and glass-ceramics have a composition containing 30-65 mol % SiO2 and 20-50 mol % ZnO as basic ingredients and may also contain, as an activator or an auxiliary activator, 0-5 mol % Lnx Oy | 09/11/2001 |
| 6197429 | Method for making transparent glass-ceramics with high temperature dimensional stability A glass-ceramic material which exhibits extremely low (e.g. less than 100 ppm) shrinkage, when exposed to 900° C. for 6 hours, and methods for making such glass-ceramics. The glass-ceramic is cerammed at a sufficiently high temperature and then cooling i... | 03/06/2001 |
| 5935885 | Manufacture of ceramic tiles from fly ash The present invention relates to a process for forming glass-ceramic tiles. Fly ash containing organic material, metal contaminants, and glass forming materials is oxidized under conditions effective to combust the organic material and partially oxidize t... | 08/10/1999 |
| 5879788 | Low-temperature fired ceramic circuit substrate and thick-film paste for use in fabrication thereof A low-temperature fired ceramic circuit substrate fired at a temperature ranging between 800° and 1,000° C. includes a plurality of insulating layers each formed of a low-temperature fired ceramic, an Ag conductor layer formed internally of the substrat... | 03/09/1999 |
| 5702514 | Method for molding dental restorations and related apparatus The present invention is concerned with a process for the formation of dental restorations from glass-ceramic materials and the resulting dental restorations. In this invention, a dental restoration is prepared by placing a glass-ceramic material in a hea... | 12/30/1997 |
| 5665459 | Low-temperature fired ceramic circuit substrate and thick-film paste for use in fabrication thereof A low-temperature fired ceramic circuit substrate fired at a temperature ranging between 800° and 1,000° C. includes a plurality of insulating layers each formed of a low-temperature fired ceramic, an Ag conductor layer formed internally of the substrat... | 09/09/1997 |
| 5597644 | Ceramic circuit board and process for producing same A ceramic circuit board comprises a ceramic substrate having a glaze film formed thereon, the glaze film being overlaid with a functional thin film such as a ferromagnetic film serving as a magnetic sensor, for example. The ceramic substrate is made of a ... | 01/28/1997 |
| 5472471 | Process for the production of an optical fiber bundle for heat resistance and vacuum resistance by bonding fiber ends with a bonding glass An optical fiber bundle for heat resistance and vacuum resistance which can be used even at a very high temperature or high vacuum is provided in economical manner. This is accomplished by a process for the production of an optical fiber bundle for heat r... | 12/05/1995 |
| 5378661 | Synthetic phyllosilicates and process for their preparation The present invention relates to synthetic phyllosilicates having a lamellar structure of the type T--O--T devoid of OH- and F- ions. Said phyllosilicates are very resistant to oxidation and possess a high thermal stability. The inve... | 01/03/1995 |
| 5344799 | Formable ceramic compositions and method of use therefor A plastically deformable mixture and method for making a body from the mixture are disclosed. The mixture is composed of powder materials, which when fired form as predominant phases: ceramic, glass-ceramic, glass, and combinations thereof, 0 to an effect... | 09/06/1994 |
| 5281563 | Dental ceramic material with a relatively low processing temperature A dental ceramic material is disclosed for the preparation and repair of metal ceramic and fully ceramic dentures, which has a processing temperature of 660&#b1;30° C., and has the following composition: 60 to 65% by weight of SiO2, 8.5 to 11%... | 01/25/1994 |
| 5173331 | Zirconia toughening of glass-ceramic materials A ceramic material suitable for packaging of large scale integrated circuits is produced by the process of forming a mixture of a powdered glass ceramic material which is a glassy precursor to cordierite ceramic material, formed by the steps which are as ... | 12/22/1992 |
| 5110357 | Nonsilica mold material for dental titanium cast In a mold material for use in molding a titanium cast to be mounted into the mouth as a dental prosthesis, magnesia and phosphate are added as a binder to its main ingredient composed of alumina and zirconia.... | 05/05/1992 |
| 5074916 | Alkali-free bioactive sol-gel compositions Sol-gel processing techniques are used to produce alkali-free bioactive glass compositions based on SiO2, CaO and P2 O5. By varying the SiO2 content, a range of hydroxyapatite production rates can be obtained; c... | 12/24/1991 |
| 4931413 | Glass ceramic precursor compositions containing titanium diboride Glass ceramic precursor compositions comprise from about 15 to about 75 percent by weight of titanium diboride and from about 10 to about 85 percent by weight of a silica compound, such as colloidal silica. The glass ceramic precursor compositions may als... | 06/05/1990 |
| 4877484 | Flocced 2:1 layered silicates and water-resistant articles made therefrom Disclosed are flocced mineral materials which may be utilized to prepare high temperature resistant, water resistant articles. These materials are prepared by utilizing, as a starting material, a gellable layered swelled silicate that has an average charg... | 10/31/1989 |
| 4861646 | Co-fired metal-ceramic package Glass-ceramic packages for integrated circuits containing multi-layer, interconnected thick film wiring patterns are obtained by co-sintering a glass-ceramic composite and copper, silver, palladium, gold, based conductors at temperatures not exceeding abo... | 08/29/1989 |
| 4775646 | Fluoride-containing Bioglass™ compositions A fluoride-containing bioactive glass composition suitable for bulk implant prosthetic devices and coatings for prosthetic devices, the bioactive glass compositions selected from glass formulations containing, by mole 46.1% SiO2, 2.6% P2 | 10/04/1988 |
| 4772346 | Method of bonding inorganic particulate material In a process for forming elements from a slurry that includes particulate ceramic and/or glass, an organic binder resin, and a solvent for the resin, where the element is shaped from the slurry, and the element heated to remove the organic materials of th... | 09/20/1988 |
