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| Number | Title | Issue Date |
| 6517943 | Decorated glass-ceramic plate The invention relates to a decorated glass-ceramic plate, suitable in particular as a cooktop, comprising a glass-ceramic plate having a low coefficient of thermal expansion between &#b1;15×10-7 K-1 (20-700° C.) and a decoration on... | 02/11/2003 |
| 6388375 | Display panel backplate A backplate for a display panel, a display panel embodying such backplate, and methods for producing the backplates. The backplate comprises a thin layer of a glass-ceramic that receives the active display material on its surface, the glass-ceramic being ... | 05/14/2002 |
| 6366075 | Fiber optic, current measuring devices and method The present invention relates to a device for measuring a current in a magnetic field which includes a glass article wherein the glass may be an oxyfluoride glass or a bismuth oxide glass having a photoelastic coefficient of from about -0.2 to 0.2 at 546 ... | 04/02/2002 |
| 6360564 | Sol-gel method of preparing powder for use in forming glass A sol-gel method of preparing a powder for use in forming a glass is provided, along with methods of preparing glasses and glass fibers from the powder. The inventive method allows for the incorporation of a wide range of elements and compositions into a ... | 03/26/2002 |
| 6353283 | Implosion-resistant cathode ray tube envelope A glass envelope for a cathode ray tube (10) and a method of production. The envelope comprises (12) a panel member having a thickness (t) that is defined by an equation which involves net tensile stress; wherein the panel having a net tensile stress not ... | 03/05/2002 |
| 6350506 | Textured surface and method A glass, glass-ceramic, or ceramic body having a textured pattern over at least a portion of its surface, the pattern comprising depressed, conical areas at spaced intervals on the surface, and a method of producing the depressed conical areas that employ... | 02/26/2002 |
| 6347536 | Process and device for manufacturing networks of microlenses The device includes a housing, a means for heating the housing, and a means for supporting, in the housing, at least one group composed of plates of malleable material under pressure at the temperature established in the housing. Moreover, the group inclu... | 02/19/2002 |
| 6344425 | Fluorotellurite, amplifier glasses A family of fluorotellurite glasses, the composition of which consist essentially of, as calculated in mole percent, 30-75% TeO2, 15-60% ZnF2 and 0.005-10% of an oxide of erbium, thulium or holmium, and amplifying optical components ... | 02/05/2002 |
| 6322879 | Protecting metal from carbon A method of protecting metal bodies, such as components of a thermal cracking furnace, against formation of carbon deposits, and the furnace components so protected, the method comprising producing an adherent, seamless coat on the metal surface, the coat... | 11/27/2001 |
| 6318128 | Method of making an article having a gradient composition According to the invention, a) at least the first and second compositions of this material in the fluid phase are prepared, b) a sheet (61) of the first composition is poured continuously onto a flat support (4), c) a sheet (62) of t... | 11/20/2001 |
| 6284687 | High refractive index glasses, multifocal corrective lenses containing same The present invention relates to glasses of high refractive index having the following composition of oxides, expressed in percentages by weight: SiO2 29-35, B2 O3 0.5-5, Li2 O 0.5-3, Na2 O 4-8, K | 09/04/2001 |
| 6284192 | Extruding electrode material A method of extruding an electrode, batch material, particularly a zinc or nickel, electrode material, and an extruder assembly for extruding the material, are described. The method and extruder are designed to produce a low compaction of the material and... | 09/04/2001 |
| 6277775 | GeAs sulphide glasses containing P A GeAs sulphide glass family of transparent glasses having transmission far into the infrared portion of the spectrum, containing a source of phosphorus ion as a co-dopant to effect dispersion of a rare earth metal ion dopant in the glass, an optical comp... | 08/21/2001 |
| 6260385 | Method and burner for forming silica-containing soot A method and a burner for manufacturing silica-containing soot is disclosed. The method includes providing a liquid silicon-containing feedstock and a gas mixture and ejecting the liquid-gas mixture from an orifice into a combustion site to convert the si... | 07/17/2001 |
| 6255240 | Strengthened, 1.7 index, glass lens The object of the present invention is a novel inorganic glass, which is capable of being strengthened by ionic exchange, and which has a refractive index of between 1.67 and 1.72; said novel glass strengthened on the surface thereof; its method of streng... | 07/03/2001 |
| 6255238 | IR and UV absorbing brown solar glasses, ophthalmic lenses The object of the present invention is brown solar glasses, absorbing UV or IR radiation, as well as solar ophthalmic lenses in said glasses. Said glasses have the following composition, expressed in percentages by weight: SiO2 : 64-71; B2... | 07/03/2001 |
| 6221480 | Broadband contrast polarizing glass A polarizing glass article, and a method of making the article, that exhibits a broad band of high contrast polarizing properties in the infrared region of the radiation spectrum, that is phase-separated by precipitating silver, copper, or copper-cadmium ... | 04/24/2001 |
| 6216491 | Lcd panel production A method of producing a glass panel for a LCD device. The method comprises depositing on at least one surface of the panel a transparent film from an atmosphere of an atomized, or ionized, inert, refractory material, or reactive precursor, the film being ... | 04/17/2001 |
| 6210747 | Thermal cracking process and furnace elements A method of lessening the tendency for carbon to deposit on a metal surface during thermal cracking of hydrocarbons which comprises isolating the metal surface with a glass-ceramic coating, and a coated furnace element for use in such method.... | 04/03/2001 |
| 6207603 | Solar cell cover glass A borosilicate glass having properties that enable it to be drawn as microsheets for use as a solar cell cover glass, and a solar cell having such microsheet as a cover glass, the glass having a composition consisting essentially of, expressed in terms of... | 03/27/2001 |
| 6197711 | Protective filter lens An ophthalmic, protective, filter lens, and a method of producing such lens, the lens having a ratio of Z and Y tristimulus values between 0.25-0.40, a dominant wavelength between 570-580 nm. on a color mixture diagram, a sharp transmission drop between 4... | 03/06/2001 |
| 6196684 | High refractive index glasses, multifocal corrective lenses containing same The present invention relates to glasses of high refractive index having the following composition of oxides, expressed in percentages by weight: SiO2 27-36 B2 O3 0-9 ... | 03/06/2001 |
| 6198213 | Lamp envelope with integrated optics A glass envelope for a light-emitting device, a device embodying the envelope, and the method of making the glass envelope by laminating two sheets of glass, one sheet having a continuous channel formed therein, and the other sheet having one or more opti... | 03/06/2001 |
| 6194334 | Tellurite glasses and optical components A family of alkali-tungsten-tellurite glasses that consist essentially of, as calculated in mole percent, 10-90% TeO2, at least 5% WO3 and at least 0.5% R2 O where R is Li, Na, K, Cs, Tl and mixtures, that may contain a la... | 02/27/2001 |
| 6184166 | Lead-free glasses This invention relates to lead-free silicate glasses that find use in producing fine crystal glassware and in laminated ware applications. The glasses consist essentially, in weight percent, of: SiO2 52-66 ZnO ... | 02/06/2001 |
| 6177371 | Photochromic glass and lens A fixed tint, photochromic glasses and sunglass lenses produced therefrom. The glasses have R2 O--Al2 O3 --B2 O3 --SiO2 base compositions, contain silver chloride and bromide contents as ph... | 01/23/2001 |
| 6174509 | Pure fused silica, furnace and method An article of relatively pure silica, and a furnace and method of producing the article. The article is produced by collecting molten silica particles (24) in a refractory furnace in which at least a portion of the refractory has been exposed to a halogen... | 01/16/2001 |
| 6165922 | Photochromic glass and lens A fixed tint, photochromic glasses and sunglass lenses produced therefrom. The glasses have R2 O--Al2 O3 --B2 O3 --SiO2 base compositions, contain silver chloride and bromide contents as ph... | 12/26/2000 |
| 6162749 | Photochromic glasses The invention concerns photochromic glasses with improved properties having the following composition, in wt. %: SiO2 : 51-66, B2 O3 : 15-23, Al2 O3 : 3-10, ZrO2 : 2.5-11, TiO2 : 0-1,... | 12/19/2000 |
| 6124223 | ଲ-quartz-based glass-ceramics Nanocrystalline glass-ceramic materials based on ଲ-quartz solid solution Mg-rich phases formed in the system SiO2 --Al2 O3 --MgO--Li2 O--TiO2 (ZnO, BaO, ZrO2, P2 O5).... | 09/26/2000 |
| 6121176 | Glasses with very high refractive index The invention concerns glasses that have a refractive index of more than 1.880, an Abbe number of more than or equal to 30.4, and a density of more than 4.1, and having the following chemical composition, expressed in wt. %, based on the oxides: SiO2... | 09/19/2000 |
| 6074713 | Preventing carbon deposits on metal A method of lessening the tendency of carbon to deposit on a hot metal surface, particularly a component in a furnace for thermally cracking hydrocarbons, that comprises coating a chromium-containing metal surface with a layer of porous, dry, pulverized g... | 06/13/2000 |
| 6071563 | Method of protecting metal A method of protecting a metal against embrittlement when the metal is exposed to carbon or sulfur at an elevated temperature, the method comprising forming a thin, adherent, continuous coating of a glass on the surface of the metal prior to exposure to c... | 06/06/2000 |
| 6069099 | Sealing glass paste method A method of controlling the rheology of a sealing glass paste which comprises incorporating a fine inorganic powder in the paste as a mill addition to impart a steep rheology curve to the paste so that the paste resists flow while at rest, but flows readi... | 05/30/2000 |
| 6048811 | Fusion seal and sealing mixtures A fusion sealing material, and a fusion seal prepared therefrom, consisting essentially of at least 65% of a SnO--ZnO--P2 O5 glass fit, up to 10% of a crystallization catalyst and 0-25% of an additive that decreases the effective CTE... | 04/11/2000 |
| 6046123 | Glasses with a high refractive index and their use as segments of multifocal corrective lenses The invention concerns glasses characterized by the fact that they have a refractive index higher than 1.740; a dilatation coefficient , between 25 and 300° C., between 65 and 70×10-7 /°C.; and a Littleton point not exceeding 635° C.... | 04/04/2000 |
| 6037283 | Plus power, photochromatic glass lenses A photochromic glass lens and method of producing such lens, the lens having a plus power and a composition consisting essentially of: ______________________________________ SiO2 54-58% Ag 0.20-0.33% B2 | 03/14/2000 |
| 6010543 | Method of making a honeycomb battery structure A battery construction and a method of producing the construction. The construction comprises a ceramic separator having a honeycomb structure in which cells run lengthwise of the honeycomb and are separated by porous walls, and internal positive and nega... | 01/04/2000 |
| 5991493 | Optically transmissive bonding material An optically transmissive material and the production of optically transmissive articles therefrom, in particular a bond between two optically transmissive components including optical fibers and planar devices.... | 11/23/1999 |
| 5970751 | Fused SiO2 -TiO2 glass method A method of producing, by flame hydrolysis, a fused silica glass containing titania which comprises delivering a mixture of a silica precursor and a titania precursor in vapor form to a flame, passing the vapor mixture through the flame to form SiO2 | 10/26/1999 |
