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| Number | Title | Issue Date |
| 8156763 | Method of producing glass Provided is a method of producing a glass, including, in order to obtain an excellent refining effect: preparing a raw glass batch including: an antimony compound containing pentavalent antimony; and an oxidizing agent (a cerium oxide, a sulfate, a nitrate); and mel... | 04/17/2012 |
| 7908886 | Oxyhalide glass fining The invention is directed to oxyhalide fining agents for glass and processes for making glass using such a fining agent. ... | 03/22/2011 |
| 7490486 | Method for producing borosilicate glasses The process of producing a refined borosilicate glass includes preparing a glass batch with a composition in wt. % on the basis of oxide content of SiO2, 65-82; Al2O3, 2-8; B2O3, 5-13; MgO+CaO+SrO +BaO+ZnO, 0-7;... | 02/17/2009 |
| 7375043 | UV-radiation absorbing glass with reduced absorption of visible light and methods of making and using same The method for making UV-absorbing glass, which transmits in a visible range, includes melting raw materials to form a melt and producing the melt under oxidative conditions. The UV-absorbing glass is free of PbO and has the following composition (in % by weight): S... | 05/20/2008 |
| 7296441 | Device and method for melting a substance with the occurrence of a low level of contamination The invention relates to an apparatus and a method for low-contamination melting of high-purity, aggressive and/or high-melting glass or glass-ceramic. According to the invention, for this purpose a melt is heated in a crucible or melting skull crucible by means of ... | 11/20/2007 |
| 7260960 | Selective glass batching methods for improving melting efficiency and reducing gross segregation of glass batch components A method of controlling reaction paths of glass batch components added to a resident glass melt is provided, including the steps of providing a plurality of raw material batch components according to a batch recipe, selectively combining a portion of the batch compo... | 08/28/2007 |
| 7208431 | Glass with noticeably improved stability to radiation damaging, a process for its production as well as its use A glass with high internal transmission as well as low tendency to radiation-caused physical compaction and low tendency to solarization, comprising 18 to 31% by weight of SiO2, 0 to 7% by weight of Na | 04/24/2007 |
| 7157392 | Alkali-free aluminoborosilicate glasses, and uses thereof An alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α20/300 of between 2.8×10−6/K and 3.8×10−6/K, which has the following composition (in % by weight, based on oxide): silicon dioxide (SiO2 | 01/02/2007 |
| 7137278 | Process for producing alkali-free aluminosilicate glass The process of the invention produces alkali-free aluminosilicate glass having an Al2O3-content of more than 12% by weight with the addition of from 0.005% by weight to 0.6% by weight of sulfate for batch formulation. ... | 11/21/2006 |
| 7137277 | Method and device for producing colored glasses The invention relates to a method and a device for producing colored glasses. The aim of the invention is to obtain a paricularly intimate mixture and to enable a quick change of the melt at the same time. To this end, the following procedure steps are applied: a me... | 11/21/2006 |
| 7107287 | Method, system and storage medium for automated independent technical review An exemplary embodiment is a method and system for performing an automated independent technical review. The method includes receiving an assay result of a radioactive waste container, determining whether the assay result is within a predetermined parameter, determi... | 09/12/2006 |
| 7094716 | Green glass composition The present invention is a green soda-lime-silica glass composition. The composition comprises 68 to 75% SiO2, 10 to 18% Na2O, 5 to 15% CaO, 0 to 10% MgO, 0 to 5% Al2O3, and 0 to 5% K20, where CaO+MgO is 6 to 15... | 08/22/2006 |
| 7010940 | Process for producing glass and glass-melting apparatus thereof A process for producing a high-quality glass from highly reactive raw materials and a glass-melting apparatus for use therewith, comprising the step of charging a material for the glass to a molten glass in a heated vessel, (1) wherein an oxidizing gas is bubbled in... | 03/14/2006 |
| 6993936 | System and method for suppressing the formation of oxygen inclusions and surface blisters in glass sheets and the resulting glass sheets A system and method for suppressing the formation of gaseous inclusions in glass sheets and the resulting glass sheets are described herein. The system includes a melting, fining, delivery, mixing or forming vessel that has a refractory metal component (e.g., platin... | 02/07/2006 |
| 6992031 | Method for producing aluminosilicate glass The invention relates to a method for producing aluminosilicate glass that is devoid of alkali and that has a B2O3 content of between 0 and | 01/31/2006 |
| 6992030 | Low-density glass for flat panel display substrates Disclosed is a glass material essentially free of BaO and alkali oxide particularly suitable for the glass substrate of LCDs. The glass material consists essentially, expressed in mole percent on an oxide basis, of 70–80%, preferably 72–77% of SiO2, 3... | 01/31/2006 |
| 6953759 | Glass composition with low visible and IR transmission A glass having a visible transmission of no greater than 28% and low IR transmission, and employing a colorant portion: ... | 10/11/2005 |
| 6953758 | Limited visible transmission blue glasses A blue colored, infrared and ultraviolet absorbing glass composition having a luminous transmittance of up to 60 percent can form transparent glass panel sets for mounting in automobiles. A non-limiting glass composition includes a standard soda-lime-silica glass ba... | 10/11/2005 |
| 6935138 | Infra-red absorption glass for a reed switch An infra-red absorption glass for a reed switch is suitable for encasement of a reed switch using magnetic wire members made of Fe—Ni based alloy (52 alloy). In the infra-red absorption glass, an infra-red transmittance at a wavelength of 1050 nm is not greater th... | 08/30/2005 |
| 6929200 | Method for preventing asbestos from freeing airborne particles The method for preventing asbestos from freeing airborne particles comprises sequentially heating and the asbestos in the following surrounding temperatures values and maintaining the asbestos in these surrounding temperature values until the asbestos changes to the... | 08/16/2005 |
| 6883349 | Method for preparing raw materials for glass-making The subject of the invention is a process for manufacturing compounds based on one or more silicates of alkali metals, such as Na and K and/or alkaline earth metals such as Ca, Mg, and/or on rare earths, such as Ce, optionally in the form of mixed silicates which co... | 04/26/2005 |
| 6878653 | Ultraviolet ray-absorbing, colorless and transparent soda-lime-silica glass An ultraviolet ray-absorbing, colorless and transparent soda-lime-silica glass is disclosed, which glass is prepared by irradiating a cerium containing soda-lime-silica glass with light having wavelengths in far- to near-ultraviolet region and thereby reducing trans... | 04/12/2005 |
| 6871514 | Method of making glass, a method and device for the control and setting of the redox state of redox fining agents in a glass melt There is now provided a method and a device for the control and setting of the redox state of redox fining agents in a glass melt, in which method, during the melting process, essentially oxygen gas is blown through the glass melt. ... | 03/29/2005 |
| 6763280 | Automated process for recycling batches of mixed color cullet into amber, green, or flint glass with selected properties An automated method for recycling mixed colored cullet glass (i.e., broken pieces of glass of mixed colors and types) into new glass products. A computer controlled process identifies the virgin glass raw materials, the desired target glass properties, the compositi... | 07/13/2004 |
| 6698244 | Method for refining molten glass The invention describes a method for refining molten glass materials, in which refining gas is generated by refining agents in the molten glass, and in which the molten glass is heated to a temperature of between 1650° C. and 2800° C., and the maximum r... | 03/02/2004 |
| 6672108 | Method of making glass with reduced Se burnoff A method of making glass (e.g., grey in color in some embodiments, or otherwise colored in other embodiments) in a manner so as to reduce selenium (Se) burnoff. In some embodiments, Epsom salt(s) is added to the glass batch in order to reduce Se burnoff. ... | 01/06/2004 |
| 6622524 | Glass which absorbs ultraviolet light, method for producing said glass and use of the same Foodstuffs filled in glass containers undergo a change in taste under the influence of light. In order to combat such changes in taste the glass according to the invention contains vanadium pentoxide. Since pure vanadium pentoxide is relative expensive, t... | 09/23/2003 |
| 6596660 | Amber-free reduced blue glass composition The present invention is a blue soda-lime-silica glass composition. The composition comprises 68 to 75% SiO2, 10 to 18% Na2 O, 5 to 15% CaO, 0 to 10% MgO, 0 to 5% Al2 O3, and 0 to 5% K2 O, where CaO+M... | 07/22/2003 |
| 6588234 | Device and method of plaining glasses or glass-ceramics A device and method for the plaining of glasses or glass-ceramics. The device is provided with a melting vat, at least two plaining containers serially connected after the outlet of the melting vat, and at least one of the plaining containers is built in ... | 07/08/2003 |
| 6546753 | Method of producing an alkali-free glass An alkali-free glass applicable to a light transparent glass substrate in a liquid crystal display essentially consists, by weight, of basic elements of 40-70% SiO2, 6-25% Al2 O3, 5-20% B2 O3, 0-10% M... | 04/15/2003 |
| 6532768 | Process for the vitrification of a pulverulent material and apparatus for implementing the process The present invention relates to a vitrification process for a pulverulent material and an apparatus for implementing said process. The process consists in introducing the pulverulent material into the fusion area of a furnace via injection means, where i... | 03/18/2003 |
| 6508083 | Alkali-free glass and method for producing the same An alkali-free glass applicable to a light transparent glass substrate in a liquid crystal display essentially consists, by weight, of basic elements of 40-70% SiO2, 6-25% Al2 O3, 5-20% B2 O3, 0-10% M... | 01/21/2003 |
| 6465381 | Alkali-free aluminoborosilicate glass, its use and process for its preparation The invention relates to an alkali-free aluminoboro-silicate glass which has the following composition (in % by weight, based on oxide): SiO2 >60-65; B2 O3 6.5-9.5; Al2 O3 14-21; MgO 1-8; CaO 1-6; SrO... | 10/15/2002 |
| 6408650 | Nitrate/nitrite-free manufacturing of glass with selenium The invention is a method of retaining selenium in a lass containing selenium by including a manganese compound and not including nitrates or nitrites routinely used in the industry to retain selenium. Particularly, a preferred embodiment involves manufac... | 06/25/2002 |
| 6318126 | Vacuum degassing method for molten glass A vacuum degassing method for molten glass, which comprises introducing molten glass into a vacuum degassing apparatus, subjecting it to degassing treatment under a predetermined reduced pressure condition and then withdrawing it for a subsequent step, wh... | 11/20/2001 |
| 6250110 | Dark bronze glass nitrate free manufacturing process A dark bronze soda-lime-silica glass composition having excellent ultra violet and infra red absorbing ability. The colorants of the glass composition consist essentially of: greater than 0.5% total iron oxide as Fe2 O3 with a maximu... | 06/26/2001 |
| 6230521 | Method of recycling batches of mixed color cullet into amber, green, or flint glass with selected properties An automated method for recycling mixed colored cutlet glass (i.e., broken pieces of glass of mixed colors and types) into new glass products. A computer controlled process identifies the virgin glass raw materials, the desired target glass properties, th... | 05/15/2001 |
| 6223560 | Process of producing a glassy product for multiple applications and products obtained by the process A process for recycling trash and obtaining a glassy vitreous product by mixing trash with a vitrifying composition comprising 30% Sodium Sulphate, 7% Quartz, 20% Calcium Carbonate, 23% Sodium Carbonate, 13% Organic Sulphate (consisting of 20% Sodium Sulp... | 05/01/2001 |
| 6170292 | Medium gray colored glass with improved UV and IR absorption and nitrate-free manufacturing process therefor The invention is a medium color gray soda-lime-silica glass composition having excellent ultra violet and infra red absorbing ability. The colorants of the glass composition consist essentially of: greater than 0.5 but less than 0.9 wt. % total iron oxide... | 01/09/2001 |
| 6145343 | Low melting high lithia glass compositions and methods The invention relates to methods of vitrifying waste and for lowering the melting point of glass forming systems by including lithia formers in the glass forming composition in significant amounts, typically from about 0.16 wt % to about 11 wt %, based on... | 11/14/2000 |
