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| Number | Title | Issue Date |
| 7827822 | Method and apparatus for spray-forming melts of glass and glass-ceramic compositions The invention relates to a process and apparatus for forming a particulate composition, especially a particle glass composition, through the use of shock waves. A nozzle element is utilized having inlets for introduction of cold and heated gas and a delivery tube fo... | 11/09/2010 |
| 7631518 | Glass powders, methods for producing glass powders and devices fabricated from same Methods for producing glass powders are provided. The methods include generating an aerosol stream comprising droplets that include a liquid and a glass precursor. Glass particles are formed in the aerosol stream having a small average particle size. The powders can... | 12/15/2009 |
| 7326422 | Dissolvable oxides for biological applications Controllably dissolvable silica-xerogels prepared via sol-gel process and their use. A delivery device including controllably dissolvable silica-xerogel into which structure a biologically active agent is incorporated. Pharmaceutical preparations including this devi... | 02/05/2008 |
| 7288582 | Colored compositions with substrate-hiding materials Compositions are disclosed. The compositions include a binder, a transparent or semi-transparent colorant having an average particle diameter of greater than 150 nanometers; and at least one member comprising a scattering pigment dispersed in a matrix. Substrates co... | 10/30/2007 |
| 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 |
| 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 |
| 7197896 | Methods of making AlO-SiO ceramics Methods for making glasses and glass-ceramics comprising Al2O3 and SiO2. Glasses made according to the present invention can be made, formed as, or converted into glass beads, articles (e.g., plates), fibers, particles, and thin coat... | 04/03/2007 |
| 7171827 | System and method for automated casting of infrared glass optical components In accordance with the present invention, a system and method for the automated casting of infrared glass optical components is provided. The system includes a mold for casting infrared glass into lenses, a mold chamber operable to heat the mold to a temperature abo... | 02/06/2007 |
| 7168267 | Method of making amorphous materials and ceramics Methods of making amorphous material and ceramic materials. Embodiments of the invention can be used to make abrasive particles. The abrasive particles can be incorporated into a variety of abrasive articles, including bonded abrasives, coated abrasives, nonwoven ab... | 01/30/2007 |
| 7159420 | System and method for forming infrared glass optical components A system and method for forming infrared glass optical components are provided. The system includes first and second mold halves having first and second respective faces. The first and second mold halves are configured to be removably coupled such that the first fac... | 01/09/2007 |
| 7159419 | System and method for vapor pressure controlled growth of infrared chalcogenide glasses A system and method for preparing chalcogenide glass are provided that allow for larger quantities of glass to be produced with lower production costs and less risks of environmental hazards. The system includes a reaction container operable to hold chalcogenide gla... | 01/09/2007 |
| 7128852 | Aerosol method and apparatus, particulate products, and electronic devices made therefrom Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator (106) including a plurality of ultrasonic transducers (120) underlying and ultraso... | 10/31/2006 |
| 7093463 | Method and device for producing powders that consist of substantially spherical particles A method for producing powders that consist of substantially spherical particles from a material such as glass, ceramics or plastic that produces a highly viscous melt that solidifies at a glass transition temperature Tg or at a solidification temperature... | 08/22/2006 |
| 7069746 | Method for producing ultra-high purity, optical quality glass articles A method for producing ultra-high purity, optical quality, glass articles is disclosed which involves: 1. compacting metaloxide or metalloidoxide to granules having a mean particle size of less than about 1 millimeter; ... | 07/04/2006 |
| 7059153 | Method for producing glass powders A powder of solid and spherical glass particles is easily manufactured by subjecting a mixed solution of a raw material oxide powder comprising a glass network-forming element, and an aqueous solution of a water-soluble compound comprising a glass-forming element ot... | 06/13/2006 |
| 6993934 | Dental glass powders Dental glass powders, methods for producing the powders and dental compositions including the glass powders. The powders preferably have a well-controlled particle size, narrow size distribution and a spherical morphology. The method includes forming the particles b... | 02/07/2006 |
| 6915664 | Method of manufacturing a fluorine-doped silica powder The invention relates to a method of doping silica with fluorine. The method described comprises mixing a powder of silica granules with a solid fluorine compound, thermally decomposing the solid fluorine compound under an inert atmosphere, and densifying the granul... | 07/12/2005 |
| 6849242 | Porous silica granule, method for producing the same, and method for producing synthetic quartz glass powder using the porous silica granule The granule consists of individual granules approximately spherical in shape, having a pore volume of 0.5 cm3, a mean diameter of pores of 50 nm or less, a specific surface area of 100 m2/g or less, and a bulk density of 0.7 g/cm3 or... | 02/01/2005 |
| 6818300 | Methods and mixtures for coating glass waste Methods are provided for coating glass waste. A mixture including a universal resin, a curing agent, a flow modifier, and a colorant is applied to the glass waste. The glass waste is then cured. In some embodiments, the mixture is sprayed onto the glass waste. In an... | 11/16/2004 |
| 6813902 | Systems and methods for increasing production of spheroidal glass particles in vertical glass furnaces A retrofit technology for air-fuel fired, vertical glass furnace for oxygen firing or boosting to provide additional heat to the process to increase furnace production capacity. The additional firing using oxygen is strategically controlled to enable enhanced radiat... | 11/09/2004 |
| 6578381 | Fine glass particle containing embedded oxide and process for producing the same The oxides-enclosed fine glass particles are arranged such that two or more pieces of at least two kinds of enclosing particles, which comprise oxides, double oxides, or salts of oxyacids, or double oxides or double salts thereof, are enclosed in each of ... | 06/17/2003 |
| 6516633 | Photochromic glass nanoparticles and methods of preparation The present invention is directed to microemulsion techniques for rapidly preparing photochromic glass nanoparticles and to the photochromic glass nanoparticles so prepared. More particularly, the method of the invention comprises the combination of two m... | 02/11/2003 |
| 6499316 | Method of producing a glass gob, method of producing a glass molded product, and apparatus for producing a glass gob In a method of producing a glass gob by continuously dropping a molten glass 9 from a nozzle 2 in a dropping direction, a gas flow 20 is caused to continuously flow in the dropping direction along an outer peripheral surface of the nozzle 2 at a predeterm... | 12/31/2002 |
| 6499315 | Production method for making an optical member for excimer laser using synthetic quartz glass The present invention relates to a synthetic quartz glass, which is a material for producing an optical member having an excellent excimer laser resistance, and a production method thereof with a good productivity. That is, the synthetic quartz glass prod... | 12/31/2002 |
| 6408648 | Method for production of metal oxide glass microspherules at low temperatures The invention provides a method for efficiently producing, in a low temperature region, a thin film or micro-spherules of a single component type or a multi-component type metal oxide glass, wherein an organic metal compound is subjected to hydrolyzation ... | 06/25/2002 |
| 6360562 | Methods for producing glass powders Glass powders and methods for producing glass powders. The powders preferably have a small particle size, narrow size distribution and a spherical morphology. The method includes forming the particles by a spray pyrolysis technique. The invention also inc... | 03/26/2002 |
| 6360563 | Process for the manufacture of quartz glass granulate In a process for manufacture of dense, amorphous quartz glass granulate by production of a porous granulate from amorphous SiO2 powder and vitrification of the granulate, a porous SiO2 granulate is exposed to a fuel gas flame and is ... | 03/26/2002 |
| 6354108 | Method for preventing consolidation of blast furnance granulated slag and consolidation preventing system The object of the present invention is to provide a safe, easy-to-manage, successive, and swift method and system for preventing granulated blast-furnace slag from solidifying. Carbonated water is generated by dissolving carbon dioxide in water. Granulate... | 03/12/2002 |
| 6339940 | Synthetic quartz glass manufacturing process A process for manufacturing synthetic quartz glass involves feeding a quartz glass-forming raw material to a high-temperature gas zone within a chamber, converting the quartz glass-forming raw material into quartz soot, and forming synthetic quartz glass ... | 01/22/2002 |
| 6318123 | Method for granulating a liquid slag bath and device for carrying out the method The method for granulating liquid slag melts, in particular blast furnace slag, in which the melt (2) is ejected into a cooling chamber via a slag tundish (1) and in which fluid under pressure, in particular compressed gas, vapor or pressurized water, is ... | 11/20/2001 |
| 6301935 | Process for the manufacture of milled glass fibers New glass fibers having an average length of about 100 to 400 μm and an apparent density of about 1 to 0.2 g/cm3 are produced by spinning glass fibers, comprising spinning glass fibers into bundles, cooling with liquid to form wet bundles, dir... | 10/16/2001 |
| 6296826 | Method for the preparation of vitrified silica particles An efficient method is proposed for the utilization of heretofore useless extremely fine fluffy silica particles obtained as a flue dust in the flame-hydrolysis of vaporizable silicon compound in an oxyhydrogen flame in the manufacturing process of fused ... | 10/02/2001 |
| 6279351 | Method and apparatus for making glass and particularly ceramic frits A method for making glass and particularly ceramic frits, comprising the steps of: introducing in a wet grinding unit, after a metering step according to chosen proportions, materials which constitute a mixture to be melted, to produce a slurry; screening... | 08/28/2001 |
| 6009724 | Process for preparing glass and for conditioning the raw materials intended for this glass preparation The invention concerns a process for preparing glass, more specifically glass powder or glass films, together with a process for conditioning the raw materials intended for preparing glass characterized in that raw materials are converted to freely flowin... | 01/04/2000 |
| 6000241 | Process for making barium containing silicate glass powders A precursor solution composition is provided for making highly pure, fine barium-containing silicate glass powders and specifically barium aluminoborosilicate (BABS) glass powders. An atomized precursor solution containing colloidal silica, a water solubl... | 12/14/1999 |
| 5979186 | Method for the manufacture of SiO2 granular material A method is provided for the manufacture of SiO2 granular material. Silicic acid is dispersed in a liquid to form a dispersion. The dispersion is stirred in a stirring tank with formation of a homogeneous liquid phase. The homogeneous liquid ph... | 11/09/1999 |
| 5928397 | Method to produce fused quartz particulates A method to produce fused quartz particulates from quartz sand is disclosed employing continuous withdrawal of the molten material from a furnace apparatus. The molten material is rapidly cooled as withdrawn causing thermal fracture which is followed by m... | 07/27/1999 |
| 5849055 | Process for producing inorganic microspheres A process for producing inorganic microspheres (solid spheres or hollow spheres), which comprises pulverizing a material by wet pulverization to an average particle size of at most 5 μm to obtain a slurry of a pulverized powder material, spraying the slu... | 12/15/1998 |
| 5837025 | Method of producing fine-particle multicomponent glass powders for use as a glass flow for producing layers and decorations on glass, glass ceramic or ceramic The invention is directed to a method for producing low sintering fine-particle multicomponent glass powder having a particle size of the primary particle in the nanometer range. The method utilizes microemulsion techniques with subsequent separation of t... | 11/17/1998 |
| 5743930 | Apparatus for producing inorganic spherical particles The apparatus for manufacturing inorganic spherical particles according to the present invention consists of a vertical sphering furnace, a sphering burner disposed at the top of the furnace, a particle outflow pipe through which spherical particles forme... | 04/28/1998 |
