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| Number | Title | Issue Date |
| 8133828 | Lanthanum oxide-doped glass-ceramics Glass-ceramic compositions exhibiting high reliability and tensile strength are described. The compositions can include crystal phases including roedderite and/or potassium fluorrichterite. The glass-ceramic compositions are bioactive, and can be used as components ... | 03/13/2012 |
| 8021999 | 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 ess... | 09/20/2011 |
| 7371702 | Translucent and radio-opaque glass ceramics Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion. ... | 05/13/2008 |
| 7314841 | Porcelain composition A ceramic composition includes a glass composition and a filler including at least one of Al2O3 and TiO2, wherein the composition of the ceramic composition includes 0.15 to 0.55 mol of a, 0.45 to 0.85 mol of b, 0.01 to 0.2 mol of an... | 01/01/2008 |
| 7306845 | Optical materials and optical devices Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo... | 12/11/2007 |
| 7291665 | Emulsion polymerization methods involving lightly modified clay and compositions comprising same Processes for utilizing various emulsion polymerization procedures for preparing aqueous nanocomposite dispersions are disclosed. The disclosed processes include both in-situ polymerizations in the presence of at least partially exfoliated, lightly modified clays as... | 11/06/2007 |
| 7259203 | Aqueous nanocomposite dispersions: processes, compositions, and uses thereof Processes for utilizing various emulsion polymerization procedures for preparing aqueous nanocomposite dispersions are disclosed. The disclosed processes include both in-situ polymerizations in the presence of at least partially exfoliated unmodified clays as well a... | 08/21/2007 |
| 7232481 | Method to produce an anti-swelling mica A method to produce an anti-swelling mica having following steps: mixing powdery mica with an alkaline compound to form a mixture; heating the mixture at a temperature between 150° C.˜230° C. for lasting 30 minu... | 06/19/2007 |
| 7226875 | Method for enhancing FSG film stability A method for enhancing stability of a fluorinated silicon glass layer is disclosed. A fluorinated silicon glass layer provided on a substrate is subjected to a phosphorous-containing and hydrogen-containing gas such as phosphine (PH3), for example. The ga... | 06/05/2007 |
| 7227717 | Asymmetric disk surface properties in one head disk drives A disk drive for storing data includes a drive housing and an asymmetrical storage disk. The storage disk includes a body region, a first side region, and an opposed second side region. The side regions are asymmetrical relative to the body region. Various structure... | 06/05/2007 |
| 7192602 | Water-insoluble, antimicrobial silicate glass and use thereof The invention relates to an antimicrobial silicate glass with the following weight composition in wt. % based on oxides: SiO2 20 to 70, Na2O 5 to 30, K2O 0 to 5, P2O5 1 to 15, B2O3 0 to 10,... | 03/20/2007 |
| 7183232 | Translucent and radio-opaque ceramics Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion. ... | 02/27/2007 |
| 7180656 | Compact optical amplifier The optical amplifier has a waveguide including a core and a cladding. The cladding at least partially surrounds the core and is doped with at least one species of rare earth ion in the range of 5 to 75 wt %. In another embodiment, the core is doped with Er3+ | 02/20/2007 |
| 7166549 | Antimicrobial, anti-inflammatory, wound-healing and disinfecting glass and use thereof The invention relates to an antimicrobial, anti-inflammatory and disinfecting glass, whereby the glass comprises: 30–95 wt. % SiO2,0–40 wt. % Na 2O, 0–40 wt. % K2O, 0–40 wt. % Li2O, 0–35 wt. % CaO, 0–10 wt. % M... | 01/23/2007 |
| 7128984 | Surfacing of metal fluoride excimer optics The invention is directed to improved coated metal fluoride single crystal optical elements suitable for use in below 250 nm optical lithography, and particularly below 200 nm lithography. The coated elements of the invention can be lenses, windows, prisms and other... | 10/31/2006 |
| 7091144 | Glass for wavelength division multiplexing optical filter The invention relates to first, second and third glasses for wavelength division multiplexing optical filters. The first glass contains 50–65 wt % of SiO2, 5–25 wt % of Na2O, 4–20 wt % of K2O, 0–20 wt % of CaO, 0–10 wt % of... | 08/15/2006 |
| 7087541 | Glass composition for display panels A glass composition suitable for manufacturing plasma displays and large-area displays using the fusion draw process is provided. The glass composition includes 59–66 mol % SiO2, 14.5–18.0 mol % Al2O3, 8.5–12.0 mol % Na2 | 08/08/2006 |
| 7014703 | Method for annealing group IIA metal fluoride crystals The invention is directed to a method for processing and annealing metal fluoride single crystals. Among other steps, the method includes of removing the as-grown surfaces of the crystals after they emerge from the growth furnace, processing the surfaces in such way... | 03/21/2006 |
| 6994549 | Dental restorations formed by solid free-form fabrication methods Solid free form fabrication techniques such as fused deposition modeling and three-dimensional printing are used to create a dental restoration. Three-dimensional printing comprises inkjet printing a binder into selected areas of sequentially deposited layers of pow... | 02/07/2006 |
| 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 |
| 6914370 | Upper substrate structure for plasma display panel and fabricating method thereof Disclosed are an upper substrate structure for a plasma display panel including a dielectric layer reinforcing color properties and a fabricating method thereof. The upper substrate structure comprises a sustain electrode formed on an upper glass substrate, a bus el... | 07/05/2005 |
| 6914095 | Nanocomposite compositions and methods for making and using same The present invention is directed, in part, to improved nanocomposite compositions and processes for preparing same. In one embodiment, there is provided a process for preparing an aqueous nanocomposite dispersion, wherein the process comprises: providing at least o... | 07/05/2005 |
| 6849334 | Optical materials and optical devices Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo... | 02/01/2005 |
| 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 |
| 6683714 | Birefringence minimizing fluoride crystal optical VUV microlithography lens elements and optical blanks A birefringence minimizing fluoride crystal vacuum ultraviolet ("VUV") optical lithography lens element is provided for use with lithography wavelengths | 01/27/2004 |
| 6649326 | Photolithographic method and UV transmitting fluoride crystals with minimized spatial dispersion The invention provides a UV below 200 nm lithography method. The invention includes providing a below 200 nm radiation source for producing | 11/18/2003 |
| 6645285 | Machinable glass-ceramics Micaceous glass-ceramics are useful in the fabrication of single and multi-unit dental restorations including but not limited to orthodontic appliances, bridges, space maintainers, tooth replacement appliances, splints, crowns, partial crowns, dentures, p... | 11/11/2003 |
| 6635591 | Glass composition for crystallized glass A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's m... | 10/21/2003 |
| 6620747 | Low temperature-sintering apatite glass ceramic A low-temperature-sintering apatite glass ceramic is described which is characterized by a high chemical stability, a low coefficient of expansion as well as high translucency and which is particularly suitable on its own or together with glasses or other... | 09/16/2003 |
| 6479417 | Glass-ceramic microspheres that impart yellow color to retroreflected light The present invention relates to transparent microspheres (i.e., beads) that impart yellow color to retroreflected light. The microsphere preferably comprise titania plus alumina, zirconia, and/or silica and iron oxide, manganese oxide, or mixtures thereo... | 11/12/2002 |
| 6461988 | Transparent microspheres Transparent solid microspheres that contain titania plus alumina, zirconia, and/or silica in a total content of at least about 75% by weight, based on the total weight of the solid microspheres, wherein the total content of alumina, zirconia, and titania ... | 10/08/2002 |
| 6395657 | Fluoride crystalline optical lithography lens element blank The invention provides a high quality identifiable fluoride crystalline optical microlithography lens element blank for formation into an lens element of a microlithography system. The highly qualified fluoride crystalline characteristics of the fluoride ... | 05/28/2002 |
| 6352949 | Fluoro glass ceramic showing photostimulable properties A glass ceramic material for storing energy of X-rays and releasing said energy by photo-stimulation comprising a fluoride glass matrix containing micro-crystalline particles, said particles having an average particle size, d, so that d | 03/05/2002 |
| 6306784 | Alkali silicate glass Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering material for ceramic dental frameworks and hence for the prod... | 10/23/2001 |
| 6281151 | Transparent lanthanum fluoride glass-ceramics The present invention relates to a transparent glass-ceramic material which includes a glass matrix and a crystalline phase of lanthanum fluoride crystals in the glass matrix, where the transparent glass-ceramic material contains no silica. The present in... | 08/28/2001 |
| 6280863 | Translucent apatite glass ceramic An apatite glass ceramic is described which is characterized by good chemical stability, a low expansion coefficient and high translucence, and is particularly suitable, by itself or together with glasses or other glass ceramics, as a veneering material f... | 08/28/2001 |
| 6245700 | Transparent microspheres Transparent solid microspheres that contain titania plus alumina, zirconia, and/or silica in a total content of at least about 75% by weight, based on the total weight of the solid microspheres, wherein the total content of alumina, zirconia, and titania ... | 06/12/2001 |
| 6200137 | Chemically stable translucent apatite glass ceramic An apatite glass ceramic is described which is characterized by good chemical stability, a low expansion coefficient and high translucence, and is particularly suitable, by itself or together with glasses or other glass ceramics, as a veneering material f... | 03/13/2001 |
| 6136909 | Preparation of conductive polymeric nanocomposite A method for producing a conductive polyaniline/layered inorganic nanocomposite having a conductivity greater than 10-1 S/cm is disclosed. The method comprises the steps of: (a) forming a reaction mixture comprising water, an aniline monomer, a... | 10/24/2000 |
| 6130178 | Strong miserite glass-ceramics The present invention is directed at a glass-ceramic having high strength and toughness and containing miserite as a predominant crystal phase. The glass-ceramic has a composition calculated in terms of a weight percent on the oxide basis comprising 40-68... | 10/10/2000 |
