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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8058196 | Optical glass The present invention provides optical glasses containing Bi2O3 in which the optical glasses have at least one of the properties of being substantially free from opacification and being substantially devitrified within the glass body during reh... | 11/15/2011 |
| 7977264 | Optical glasses of the dense barium flint position The optical glasses designated to be used in the areas of imaging, sensors, microscopy, medical technology, digital projection, photolithography, laser technology, wafer/chip technology as well as telecommunications, optical communications engineering and optics/ill... | 07/12/2011 |
| 7964523 | Composition for sealing glass A powder composition for forming a highly expansible crystallized glass substantially free of alkali metals is disclosed, which composition can provide, through its firing at a temperature of not more than 900° C., a seal between metal and ceramic. The powder compo... | 06/21/2011 |
| 7947617 | Optical glass, precision-pressmolding preform and optical element To provide a high-refractivity high-dispersion optical glass having excellent stability An optical glass which is formed of an oxide glass containing 30 to 70 cationic % of Bi3+ and has a liquidus temperature of 800° C. or lower. ... | 05/24/2011 |
| 7745361 | Optical glass, preform for precision press molding and method of manufacturing thereof, optical element and method of manufacturing thereof The present invention relates to an optical glass having a refractive index (nd) of greater than or equal to 1.65 and an Abbé number (ν (nu)d) of greater than or equal to 50 for use in precision press molding. The glass exhibits that a ratio α (alpha)1/α (alpha)... | 06/29/2010 |
| 7648931 | Plasma display apparatus and driving method thereof The present invention relates to a sealing glass composition that excludes Pb, i.e., an environmentally harmful material, and a flat panel display apparatus using the same. A sealing glass composition of the present invention comprises Sb2O3 of... | 01/19/2010 |
| 7605101 | Laminate, ceramic substrate and method for making the ceramic substrate A laminate includes a first green sheet and a second green sheet. The first green sheet includes a first glass including Al and M which is at least one of Sr and Ba. A relationship between Al content and M content is so defined that a position represented by percent... | 10/20/2009 |
| 7598192 | Optical glass The invention relates to optical glasses intended for the application fields of imaging, sensors, microscopy, medical technology, digital projection, photolithography, laser technology, wafer/chip technology, and for telecommunication, optical communication engineer... | 10/06/2009 |
| 7541302 | Optical glass and optical element Optical glass which is suitable for press molding does not substantially contain a compound of lead or arsenic, and has intermediate refractive index, low dispersion properties, low Tg and small density. Concretely, the optical glass includes the glass components of... | 06/02/2009 |
| 7482296 | Aluminoborosilicate glass and method for the production of crystallite-free gradient index lenses The invention is directed to an aluminoborosilicate glass containing alkali metals for the production of optical components with refractive index gradients which are generated by ion exchange of monovalent metal ions in a base glass comprising at least silicon oxide... | 01/27/2009 |
| 7438829 | Thick film getter paste compositions for use in moisture control The invention is directed to a screen-printable getter composition comprising: (a) glass frit; dispersed in (b) organic medium. The invention is further directed to a screen-printable thick film getter composition comprising: (a) glass frit; and (b) desiccant materi... | 10/21/2008 |
| 7399720 | Glass and glass-ceramic sealant compositions A glass composition for use as a sealant or otherwise bonded to a fuel cell component, including from about 40 mol % to about 60 mol % RO; from about 2 mol % to about 10 mol % M2O3; and from about 35 mol % to about 45 mol % SiO2. R i... | 07/15/2008 |
| 7371335 | Curable thick film compositions for use in moisture control The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and (3) photoinitiator. ... | 05/13/2008 |
| 7358206 | UV transmitting glasses The present invention relates to a boroaluminosilicate glass which exhibits excellent UV transmission. In particular, the present invention is directed at an alkali fluorine-doped boroaluminosilicate glass comprising, in mole percent on the oxide basis, of 30-80% Si... | 04/15/2008 |
| 7341965 | Bismuth oxide glasses containing germanium oxide The invention relates to bismuth oxide glass, containing germanium oxide, a method for the production thereof, the use thereof and a glass fiber consisting of said inventive glass. ... | 03/11/2008 |
| 7332453 | Ceramics, and methods of making and using the same Ceramics (including glasses and glass-ceramics) comprising nitrogen, and methods of making the same. ... | 02/19/2008 |
| 7320949 | Optical glass An optical glass suitable for precision mold pressing has a refractive index (nd) of 1.88 or over and an Abbe number (ν d) within a range from 22 to 28, comprises, in mass %, | 01/22/2008 |
| 7297646 | Ceramics comprising AlO, REO, 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) REO, or (c) at least one of ZrO2 or HfO2. Embodiments of ceramics according to the ... | 11/20/2007 |
| 7291571 | Crystallizable glass and the use thereof for producing extremely solid and break resistant glass-ceramics having an easily polished surface The invention relates to crystallizable aluminosilicate magnesium-containing glass which is used for producing extremely solid and break-resistant glass-ceramics having an easily polished surface. The inventive crystallizable glass contains 5-33 mass % of SiO2 | 11/06/2007 |
| 7262144 | Photostructurable body and process for treating a glass and/or a glass-ceramic The invention relates to a photostructurable body, in particular glass or glass-ceramic, in which the glass is a multicomponent glass and/or the glass-ceramic is a multicomponent glass-ceramic, in each case having a positive change in refractive index Δn as a resul... | 08/28/2007 |
| 7247987 | Rear plate for plasma display panel Disclosed is a rear plate of a plasma display panel. In the rear plate, a dielectric layer or a barrier wall layer is formed by forming slurry in a tape of a green tape and then attaching the green tape to upper surfaces of electrodes and a glass substrate. Therefor... | 07/24/2007 |
| 7232779 | Optical glass, precision press molding preform and method of manufacturing the same, optical element and method of manufacturing the same Provided are optical glass exhibiting a refractive index (nd) in a range of 1.75 to 1.87, an Abbé number (νd) in a range of 80 to 45, and excellent low-temperature softening properties even when not incorporating Th2O5 as well as permitting a... | 06/19/2007 |
| 7214441 | Low alkali sealing frits, and seals and devices utilizing such frits A solid oxide fuel cell device incorporates a sealing material resistant to hydrogen gas permeation at a sealing temperature in the intermediate temperature range of 600° C.–900° C., the seal having a CTE in the 100×10−7/° C. to 120×10−7 | 05/08/2007 |
| 7189672 | Aluminum silicophosphate glasses A substrate for flat panel display glasses comprising a glass the P2O5—SiO2—Al2O3 ternary system which yields stable glasses exhibiting high strain point temperatures, resistance to devitrification, good che... | 03/13/2007 |
| 7175700 | Ytterbium-barium silicate radiopaque glasses A family of radiopaque glasses comprising silicon dioxide (15–30%), ytterbium oxide (5–35%), barium oxide (30–50%) and fluoride (5–20%), all by weight. The family of glasses all exhibit high radiopacity with refractive indices varying from 1.508–1.592 and ... | 02/13/2007 |
| 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 |
| 7161117 | Window glass for vehicles equipped with a conductor and its production process A window glass for vehicles equipped with a conductor, which comprises a glass plate, a patterned conductor layer formed on the glass plate, and a covering layer formed to cover the conductor layer, wherein the covering layer comprises a fired product obtained by fi... | 01/09/2007 |
| 7155934 | Method for the production of borosilicate glass with a surface suitable for modification glass obtained according to said method and the use thereof The method of making borosilicate glass with a surface having reactive SiOH groups on it includes preparing a borosilicate glass melt and dissolving at least 30 mMol per liter of water in the borosilicate glass melt. The borosilicate glass contains from 70 to 87 per... | 01/02/2007 |
| 7141523 | Ceramics comprising AlO, REO, 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) REO, or (c) at least one of ZrO2 or HfO2. Embodiments of ceramics according to the ... | 11/28/2006 |
| 7141522 | Ceramics comprising AlO, 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... | 11/28/2006 |
| 7138347 | Thick-film conductor paste for automotive glass A thick-film composition comprising: (a) conductive metal; (b) crystallized glass; (c) amorphous glass; and (d) organic medium. ... | 11/21/2006 |
| 7116497 | Retrofocus type optical system Provided is a retrofocus type optical system including a lens or a layer made of a material satisfying the following conditions of the Abbe constant νd and partial dispersion ratios θgd and θgF, νd | 10/03/2006 |
| 7101625 | Glass for a light filter and a light filter Glass for a light filter capable of preventing variation of refractive index in a band-pass filter has a coefficient of thermal expansion within a range from 90×10−7/° C. to 120×10−7/° C. within a temperature range from −20° C. to +7... | 09/05/2006 |
| 7098158 | Glass for press molding, and lens A glass for press molding, containing substantially no lead, consisting substantially of, as represented by mol % based on oxides: | 08/29/2006 |
| 7087543 | Optical glass, press-molding preform and optical element An optical glass having a refractive index (nd) of 1.57 to 1.67, an Abbe's number (νd) of 55 to 65 and a glass transition temperature (Tg) of 560° C. or lower and having a low-temperature softening property and excellent climate resistance or a haze value of 3% or... | 08/08/2006 |
| 7087542 | Optical glass There is provided an optical glass suitable for mold pressing having optical constants of a refractive index (nd) within a range from 1.60 to 1.69 and Abbe number (νd) within a range from 35 to 45, having a glass transition point (Tg) within a... | 08/08/2006 |
| 7054074 | Objective lens and optical pickup apparatus, information recording/reproducing apparatus An objective lens is configured of a first crown-glass lens and a second flint-glass lens, whereby it can exhibit substantially identical optical properties at a plurality of recording/reproducing light source wavelengths, particularly, in both 650 nm and 405 nm wav... | 05/30/2006 |
| 7041612 | Lead-free and arsenic-free special short flint glass The invention describes a lead-free and arsenic-free special short flint glass with a refractive index 1.60≦nd≦1.65, an Abbe number of 41≦νd≦52, a relative partial dispersion 0.551≦PgF≦0.570 in the blue spectral region, ... | 05/09/2006 |
| 7019189 | Process and composition for the immobilization of radioactive and hazardous wastes in borosilicate glass The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides borosil... | 03/28/2006 |
| 7005396 | Enamel composition The present invention provides a composition for use in forming an enamel cover coat from which baked-on foods can be removed without the need for pyrolysis or highly alkaline cleaners. The enamel cover coat preferably exhibits no chipping or other surface defects s... | 02/28/2006 |
