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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8187987 | Durable glass housings/enclosures for electronic devices The invention relates to glass articles suitable for use as electronic device housing/enclosure or protective cover which comprise a glass material. Particularly, a housing/enclosure/cover comprising an ion-exchanged glass exhibiting the following attributes (1) rad... | 05/29/2012 |
| 8071494 | Glass substrate for flat panel display, process for producing the same, and display panel employing the same The present invention provides a glass substrate for flat panel display in which yellowing occurring in a case of forming silver electrodes on glass substrate surface is inhibited. A glass substrate for flat panel display, which is formed by a float method, w... | 12/06/2011 |
| 7977263 | Glass fiber for high temperature insulation A glass composition is provided for the production of high temperature glass fibers with oxides comprising 1% to 15% Fe2O3+FeO as a fluidizer to lower liquidous temperature and the fiberizing temperature of a mix of high temperature oxides. The... | 07/12/2011 |
| 7951734 | Glass plate for substrate A glass plate for a substrate, which contains no B2O3, and which can be as a glass plate for an LCD panel, which comprises, as a glass matrix composition as represented by mass % based on oxide of SiO2: 68 to 80, Al2O... | 05/31/2011 |
| 7727917 | Lithia-alumina-silica containing glass compositions and glasses suitable for chemical tempering and articles made using the chemically tempered glass A glass composition for chemical tempering includes oxides in wt % ranges of: SiO2 60 to 75; Al2O3 18 to 28; Li2O 3 to 9; Na2O 0 to 3; K2O 0 to 0.5; CaO 0 to 3; MgO 0 to 3; ZrO2 0 to 3; whe... | 06/01/2010 |
| 7727918 | Optical glass An optical glass that contains Si, Al, Mg, and O is provided. The optical glass contains Si in an amount of 40% or more and 60% or less, in cation percent, Al in an amount of 10% or more and 35% or less, in cation percent, and Mg in an amount of 20% or more and 35% ... | 06/01/2010 |
| 7674736 | Glass for dental applications The invention relates to a glass for dental applications which can be used as a glazing material of dental restorations and resists high temperatures, and thus does not tend to flow. ... | 03/09/2010 |
| 7670976 | High strain-point glass composition for substrate The present invention relates to a glass substrate composition comprising SiO2 55˜70 wt %, Al2O3 0˜1 wt %, ZrO2 0.1˜5 wt %, Na2O 0.1˜5 wt %, K2O 7˜13 wt %, MgO 7˜14 wt %, CaO 0˜4 wt %, SrO 7˜1... | 03/02/2010 |
| 7566673 | Glass substrate for an information recording medium and information recording medium employing it A chemically strengthened glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD, wherein a strengthened formed by chemical strengthening exists on the outer edge surface and on the inner... | 07/28/2009 |
| 7531475 | Glass composition that emits fluorescence in infrared wavelength region The present invention provides a glass composition that exhibits a fluorescence function and an optical amplification function in a wide wavelength range. This glass composition includes a bismuth oxide, a silicon oxide, an aluminum oxide, and a divalent metal oxide... | 05/12/2009 |
| 7399721 | Glass for laser processing A glass for laser processing of the present invention can be laser-processed by causing ablation or evaporation by laser beam energy absorbed therein, wherein the glass for laser processing has a composition that satisfies the following conditions: 60≦Si... | 07/15/2008 |
| 7396788 | Glass composition and glass substrate A glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD or of an optical communication device, and a glass composition for making such a glass substrate, contains the following glass ing... | 07/08/2008 |
| 7393801 | Lead-free enamel composition, the corresponding enamels and glass-ceramic articles, a new lead-free mineral glass Objects of the present invention are: a lead-free enamel composition comprising finely divided glass particles, finely divided pigment particles and an organic binder, characterised in that the glass of said particles is a lead-fre... | 07/01/2008 |
| 7365037 | Quartz glass having excellent resistance against plasma corrosion and method for producing the same As a jig material to use under plasma reaction for producing semiconductors the present invention provides a quartz glass having resistance against plasma corrosion, particularly corrosion resistance against fluorine-based plasma gases, and which is usable without c... | 04/29/2008 |
| 7365038 | Glasses for flat panel displays Glasses are disclosed which are used to produce substrates in flat panel display devices. The glasses exhibit a density less than about 2.45 gm/cm3 and a liquidus viscosity greater than about 200,000 poises, the glass consisting essentially of the followi... | 04/29/2008 |
| 7341966 | Borosilicate glass compositions and uses thereof Glass, glass compositions, methods of preparing the glass compositions, microfluidic devices that include the glass composition, and methods of fabricating microfluidic devices that include the glass composition are disclosed. The borosilicate glass composition incl... | 03/11/2008 |
| 7323426 | High strain point glasses A family of glasses from the SiO2—Al2O3—P2O5 ternary system exhibiting high strain point, transparency, and low coefficient of thermal expansion. The glasses have the following composition, expressed in mol ... | 01/29/2008 |
| 7316740 | Lithium silicate materials Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength. ... | 01/08/2008 |
| 7309671 | Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass composition essentially comprising 60 to 70 wt % SiO2, 5 to 20 wt %... | 12/18/2007 |
| 7305854 | Methods for producing substrate blank A method for producing a thin-plate-shaped substrate blank that is an intermediate for a glass substrate, in which the occurrence of undulation is prevented and the substrate blank is produced with high accuracy, the method comprising press-molding a glass in a soft... | 12/11/2007 |
| 7297645 | Opalescent glass-ceramic product An opalescent glass-ceramic product, especially for use as a dental material or as an additive to or component of dental material, including SiO2, Al2O3, P2O5, Na2O, K2O, CaO and Me(IV))O | 11/20/2007 |
| 7285510 | Glass composition for poling and glass functional product containing the same The present invention provides a glass composition suitable for producing a poling effect. This glass composition includes 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 0.1 to 40 mol % of Al2O3, and 0 to 15 mol % of B | 10/23/2007 |
| 7285508 | Glass flake The present invention provides a glass flake that is substantially free of boron trioxide (B2O3), barium oxide (BaO), zinc oxide (ZnO), and fluorine (F) and has sufficient heat resistance and good formability for glass flake. The glass flake of... | 10/23/2007 |
| 7250383 | Clad glass composition for graded-index rod lens, graded-index rod lens, and method for manufacturing the same It is an object of the present invention to provide a clad glass composition for graded-index rod lens for covering, during manufacturing, a preform glass composition lens of a graded-index rod lens that does not include PbO, in which the composition substantially d... | 07/31/2007 |
| 7242012 | Lithography device for semiconductor circuit pattern generator General purpose methods for the fabrication of integrated circuits from flexible membranes formed of very thin low stress dielectric materials, such as silicon dioxide or silicon nitride, and semiconductor layers. Semiconductor devices are formed in a semiconductor ... | 07/10/2007 |
| 7223696 | Methods for maskless lithography General purpose methods for the fabrication of integrated circuits from flexible membranes formed of very thin low stress dielectric materials, such as silicon dioxide or silicon nitride, and semiconductor layers. Semiconductor devices are formed in a semiconductor ... | 05/29/2007 |
| 7217672 | Optical glass suffering little change in refractive index by radiation of light An optical glass wherein an amount of change in refractive index (Δn: difference in refractive index between a state before radiation and a state after radiation) caused by radiation of laser beam at wavelength of 351 nm having average output power of 0.43W, pulse ... | 05/15/2007 |
| 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 |
| 7211957 | Alumino earth-alkali silicate glasses with high thermal capacity for light bulbs and use thereof An alumino earth-alkali silicate glass for lamp bulbs of tungsten halogen incandescent lamps has the following glass composition (% by weight) that reduces discoloration during operation of the lamp bulb: | 05/01/2007 |
| 7201965 | Glass laminate substrate having enhanced impact and static loading resistance A glass laminate substrate for electronic substrates, such as flat panel displays, includes a transparent glass core bounded by transparent glass skin layers, wherein the coefficient of thermal expansion of the core is greater than the coefficient of thermal expansi... | 04/10/2007 |
| 7196027 | Optical glass suffering little change in refractive index by radiation of light An optical glass wherein an amount of change in refractive index (Δn: difference in refractive index between a state before radiation and a state after radiation) caused by radiation of laser beam at wavelength of 351 nm having average output power of 0.43 W, pulse... | 03/27/2007 |
| 7193239 | Three dimensional structure integrated circuit A Three-Dimensional Structure (3DS) Memory allows for physical separation of the memory circuits and the control logic circuit onto different layers such that each layer may be separately optimized. One control logic circuit suffices for several memory circuits, red... | 03/20/2007 |
| 7192898 | Glass composition and glass substrate A glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD or of an optical communication device, and a glass composition for making such a glass substrate, contains the following glass ing... | 03/20/2007 |
| 7189671 | Glass compositions Improved glass fibers compositions, typically useful for fire resistant blankets or containers to provide high burn-through resistance at high temperatures of 2,400° F. and higher, and typically comprising silica, sodium oxide, potassium oxide, calcium oxide, magne... | 03/13/2007 |
| 7189470 | Sealing materials and devices utilizing such materials 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.–800° C., the seal having a CTE in the 100×10−7/° C. to 120×10−7 | 03/13/2007 |
| 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 |
| 7176545 | Apparatus and methods for maskless pattern generation General purpose methods for the fabrication of integrated circuits from flexible membranes formed of very thin low stress dielectric materials, such as silicon dioxide or silicon nitride, and semiconductor layers. Semiconductor devices are formed in a semiconductor ... | 02/13/2007 |
| 7169470 | Aluminosilicate glass A short optical glass is disclosed which does not comprise any silver, copper, thallium, lead or boron and is particularly suited for the application imaging, projection, telecommunication, optical information technology, and/or laser technology, also particularly s... | 01/30/2007 |
| 7169476 | Zinc oxide-alumina-silica-based crystallized glass A zinc oxide-alumina-silica-based crystallized glass is provided, containing zinc oxide, alumina and silica as main components, and zirconia as a nucleating agent. The main components are provided in a ratio of 20–30% by mass of zinc oxide, 15–25% by mass of alu... | 01/30/2007 |
| 7153798 | Glass sheet designed to be heat tempered The subject of the invention is a glass sheet intended to be thermally toughened, the matrix of which is of the silica-soda-lime type, having an expansion coefficient α of greater than 100×10−7 K−1, a Young's modulus E of greater than 60 ... | 12/26/2006 |
