Patent application number | Description | Published |
20080269038 | 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 contains a combination of one or more metal colloid formers and one or more redox partners. The metal colloid formers are compounds containing Au, Ag, As, Bi, Nb, Cu, Fe, Pd, Pt, Sb and/or Sn. The redox partners are compounds containing As, Ce, Fe, Mn, Sb, Sn and/or W, with the proviso that the redox partner must be different from the metal colloid former. | 10-30-2008 |
20090018007 | LITHIUM-ALUMINOSILICATE GLASS WITH SHORT GLAZING TIMES - A lithium-aluminosilicate glass or a corresponding glass ceramic that has a content of 0-0.4 SnO | 01-15-2009 |
20090286667 | 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 the glass ceramic has a composition (in % by weight based on oxide) of essentially SiO | 11-19-2009 |
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 |
20100154622 | HIGHLY TRANSPARENT IMPACT-RESISTANT GLASS CERAMIC - The present invention describes a transparent plate of lithium aluminosilicate glass ceramic showing a high transmission, a process for producing same and transparent plate laminates comprising at least one plate of the lithium aluminosilicate glass ceramic of the invention and the use thereof as armored glass or bullet-proof vest. | 06-24-2010 |
20100224619 | METHOD OF ENVIRONMENTALLY FRIENDLY MELTING AND REFINING OF A GLASS MELT FOR A CRYSTALLIZABLE GLASS OF A LITHIUM ALUMINIUM SILICATE (LAS) GLASS CERAMIC - The method of environmentally friendly melting and refining a glass melt of a crystallizable glass, which is used for making a lithium aluminium silicate (LAS) glass ceramic, includes the steps of providing a glass batch with a main batch composition within a lithium aluminium silicate (LAS) glass system, in which 0.1-<0.6% by weight of tin oxide has been added as main refining agent, but which does not contain arsenic oxide and/or antimony oxide as refining agent, formulating a raw material mixture for the glass batch, so that less than 40% by weight of the raw material mixture is quartz sand and then refining a glass melt formed from the glass batch at temperatures of at least 1600° C. | 09-09-2010 |
20100263525 | GLASS CERAMIC ARMOR MATERIAL - Antiballistic armor is provided that includes a glass-ceramic component having 50 to 70 weight percent SiO | 10-21-2010 |
20110062393 | SINTERED GLASS CERAMIC AND METHOD FOR PRODUCING THE SAME - The invention provides a method for producing a glass ceramic comprising the steps of melting a starting glass that is free from alkali, except for incidental contamination, and that contains at least one garnet-forming agent and at least one oxide of a lanthanoid; grinding the starting glass to produce a glass frit; molding by pressing and sintering the glass frit until at least one garnet phase containing lanthanoids is formed. A glass ceramic produced in this way may contain 5-50% by weight of SiO | 03-17-2011 |
20110226231 | TRANSPARENT, DYED COOKTOP HAVING IMPROVED COLOR DISPLAY CAPABILITY, AND METHOD FOR PRODUCING SUCH A COOKTOP - Transparent, dyed cook top or hob with improved color display capability, consisting of a glass ceramic with high quartz mixed crystals as predominant crystal phase, whereby the glass-ceramic contains none of the chemical refining agents arsenic oxide and/or antimony, with transmission values of greater than 0.1% in the range of the visible light within the entire wavelength range greater than 450 nm, a light transmission in the visible of 0.8-2.5% and a transmission in the infrared at 1600 nm of 45-85%. | 09-22-2011 |
20110281099 | METHOD OF MAKING A FLOAT GLASS CONVERTIBLE INTO A GLASS CERAMIC AND FLOAT GLASS MADE THEREBY - A method is described for making a float glass convertible into a glass ceramic, by which a largely crystal fault-free glass can be produced. In this method the glass is cooled from a temperature (T | 11-17-2011 |
20120009386 | GLASS HAVING EXCELLENT RESISTANCE AGAINST SURFACE DAMAGES AND METHOD FOR THE PRODUCTION THEREOF - A glass having excellent resistance against surface damages is provided. The glass includes a content of alkaline earth oxides of at least 0.3% by weight and of P | 01-12-2012 |
20120067865 | TRANSPARENT, DYED COOKTOP - A transparent, dyed cooktop is provided that has improved color display capability. The cooktop is made of a glass ceramic having high quartz mixed crystals as the predominant crystal phase, wherein the glass ceramic comprises none of the chemical refining agents arsenic oxide and/or antimony oxide, except for inevitable trace amounts. The glass ceramic has transmission values of greater than 0.1% in the range of visible light over the entire wavelength range greater than 450 nm, light transmission in the visible range of 0.8 to 5%, and transmission in the infrared at 1600 nm of 45-85%. The glass ceramic also includes a display apparatus that has a display device which is designed to display different operating conditions with different colours and/or symbols. | 03-22-2012 |
20120108414 | METHOD FOR STRENGTHENING CERAMICIZATION OF FLOATED CRYSTALLIZABLE GLASS - A method of ceramicizing a floated glass is provided where the glass ceramic material obtained thereby has high stability because of the special quality of the atmosphere in the ceramicizing process. The glass ceramics thus obtained have special surface properties that avoid crack formation. Thereby very high bending tensile strengths are achieved. These glass ceramics can be used as fire protection glass, hot plate of a cooker having a coating on the lower side, safety glass, panes of wood-burning fireplace inserts, in colored form as hot plate of a cooker, base plate, thermally resistant panel lining in furnaces and microwave facilities. | 05-03-2012 |
20120283086 | Metal colloid-colored glass ceramic and colorless glass convertible into same - A 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 contains a combination of one or more metal colloid formers and one or more redox partners. The metal colloid formers are compounds containing Au, Ag, As, Bi, Nb, Cu, Fe, Pd, Pt, Sb and/or Sn. The redox partners are compounds containing As, Ce, Fe, Mn, Sb, Sn and/or W, with the proviso that the redox partner must be different from the metal colloid former. | 11-08-2012 |
20120302422 | Lithium-Aluminosilicate Glass With Short Glazing Times - A lithium-aluminosilicate glass or a corresponding glass ceramic that has a content of 0-0.4SnO | 11-29-2012 |
20130140293 | HIGH-STRENGTH COLORED GLASS CERAMICS AS A COOKTOP, SMOOTH ON BOTH SIDES - A glass-ceramic cooktop is provided that is made of glass-ceramic material with a flat upper side and an underside. The glass-ceramic material has transmittance values of greater than 0.1% in the visible light range in the total wavelength region greater than 420 nm, a light transmittance in the visible range of 0.8-2.5%, and a transmittance of 0-85% in the infrared at 1600 nm, and wherein the glass-ceramic material has high quartz mixed crystals as the prevalent crystal phase. The underside is flat, unstructured, and coplanar with the upper side. | 06-06-2013 |
20130158485 | BOROSILICATE GLASS SYRINGE WITH CONE COATING THAT INCREASES SURFACE ROUGHNESS - A syringe made of borosilicate glass and having a cone for fastening or mounting of transfer adapters and needles is provided. The cone includes a coating that increases roughness. The coating has structure-forming particles are embedded in a glass matrix and is free of Pb, Cd, Hg and Cr | 06-20-2013 |
20130164509 | TRANSPARENT OR TRANSPARENT COLORED LITHIUM ALUMINIUM SILICATE GLASS CERAMIC ARTICLES HAVING ADAPTED THERMAL EXPANSION AND USE THEREOF - Transparent or transparent dyed lithium aluminium silicate (LAS) glass ceramic material is provided that has an adapted thermal expansion. The material includes high-quartz mixed crystals as the predominant crystalline phase, and a thermal expansion between room temperature and 700° C. from 1.0 to 2.5·10 | 06-27-2013 |
20130201678 | GLASS CERAMIC AS A COOKTOP FOR INDUCTION HEATING HAVING IMPROVED COLORED DISPLAY CAPABILITY AND HEAT SHIELDING, METHOD FOR PRODUCING SUCH A COOKTOP, AND USE OF SUCH A COOKTOP - A glass ceramic as cooktop for induction heating having improved colored display capability and heat shielding is provided. The cooktop includes a transparent, dyed glass ceramic plate having high-quartz mixed crystals as a predominant crystal phase. The glass ceramic contains none of the chemical refining agents arsenic oxide and/or antimony oxide and has a transmittance values greater than 0.4% at at least one wavelength in the blue spectrum between 380 and 500 nm, a transmittance >2% at 630 nm, a transmittance of less than 45% at 1600 nm, and a light transmittance of less than 2.5% in the visible spectrum. | 08-08-2013 |
20140150500 | Process for producing a highly transparent impact-resistant glass ceramic - The process for producing a transparent lithium aluminosilicate glass ceramic plate includes ceramicizing a green glass body of the Li | 06-05-2014 |
20140162039 | Highly transparent impact-resistant plate laminate and armored or bulletproof glass and articles made with same - The armored or bulletproof glass include a transparent plate laminate, which includes one or more transparent glass ceramic plates made from a green glass body of the Li | 06-12-2014 |
20140356608 | METHOD FOR PRODUCING GLASSES, GLASS CERAMICS AND THE USE THEREOF - A method for producing bubble-free glasses is provided, in which a glass mixture that is arsenic-free and antimony-free with the exception of any unavoidable raw material impurities and a sulfate compound and SnO | 12-04-2014 |
20140356609 | METHOD FOR PRODUCING GLASSES, GLASS CERAMICS AND THE USE OF SAME - A method for producing bubble-free glasses is provided, in which a glass mixture that is arsenic-free, antimony-free and tin-free with the exception of any unavoidable raw material impurities and at least one sulfate compound as a refining agent are used. The glass mixture and refining agent are melted and primarily refined in a first region of a melting tank, an average melting temperature (T1) is set at T1>1580° C. and an average melt residence time (t1) is set at t1>2 hours. A secondary refinement is carried out in a second region, an average melting temperature (T2) is set at T2>1660° C. and an average melt residence time (t2) is set at t2>1 hour, and the proportion of the SO | 12-04-2014 |
20140357468 | TRANSPARENT LOW-COLOR LITHIUM ALUMINUM SILICATE GLASS CERAMIC AND THE USE THEREOF - A transparent low-colour lithium aluminium silicate (LAS) glass ceramic and the use thereof are provided. The ceramic has an environmentally friendly composition with high-quartz mixed crystals as the main crystal phase. The glass ceramic contains the following components (in wt % on the basis of oxide): TiO2 1.6-<2.5; Nd2O3 0.005-0.15; MgO 0.2-1.0; ZnO 1-2.5; CaO+SrO 0-1.5; BaO 0-1.5 with the condition B1: MgO+ZnO>CaO+SrO+BaO. In some embodiments, the glass ceramic has a hue c* of less than 5.5, a light transmission Y greater than 81% and has no visually disruptive diffusion. | 12-04-2014 |