Class 501/57 - Fluorine

Subclass of Class 501 - Compositions: ceramic
Definition: Compositions containing fluorine or a fluorine compound.
No. of patents: 186
Last issue date: 11/01/2011

«First «Previous1 2 3 4 5 Next»Last»

Number	Title	Issue Date
8048816	Colored machinable glass-ceramics The invention relates to opaque, colored glass-ceramic articles and to the production of opaque, colored glass-ceramic articles which can be readily formed to a desired shape using standard metal-working tools. The glass-ceramic material used to make such articles c...	11/01/2011
7429546	Silica glass containing TiOand process for its production A silica glass containing TiO2, which has a fictive temperature of at most 1,200° C., a F concentration of at least 100 ppm and a coefficient of thermal expansion of 0±200 ppb/° C. from 0 to 100° C. A process for producing a silica glass contai...	09/30/2008
7419924	Silica glass containing TiOand process for its production It is to provide a silica glass containing TiO2, having a wide temperature range wherein the coefficient of thermal expansion is substantially zero. A silica glass containing TiO2, which has a TiO2 concentration of from 3 to 1...	09/02/2008
7332452	CaO-SiO-based bioactive glass and sintered calcium phosphate using same A bioactive glass having a composition substantially comprising 30 to 60 mol % of CaO, 40 to 70 mol % of SiO2 and 20 mol % or less of Na2O has low glass transition temperature and/or crystallization temperature, and a sintered calcium phosphate...	02/19/2008
7323160	Method of treating a patient's teeth using fluoride releasing glass composition A method of treating sensitive teeth includes (1) attaching a fluoride releasing glass composition to a person's tooth, and (2) allowing fluoride to be slowly released over time in order to reduce chronic and/or acute tooth sensitivity. A preferred glass composition...	01/29/2008
7315125	Aluminum-free borosilicate glass and applications thereof The fluorescent lamp is made with an aluminum-free borosilicate glass having a composition, in percent by weight, based on oxide content of: SiO2, 65-77; B2O3, 7-20; Li2O, 0-2; Na2O, 0-4; K2O, 3-12; M...	01/01/2008
7310405	High-Z cast reflector compositions and method of manufacture A scintillator pack comprises an array of scintillator pixels and an x-ray absorbing layer disposed in inter-scintillator regions between the scintillator pixels. The x-ray absorbing layer acts to absorb x-rays and protect underlying regions of the inter-scintillato...	12/18/2007
7294595	Silica glass A silica glass containing from 3 to 10 mass % of TiO2, which has a coefficient of thermal expansion from 0 to 100° C., i.e. CTE0 to 100, of 0±300 ppb/° C. and an internal transmittance per mm in thickness within a wavelength region of from 2...	11/13/2007
7288495	Photorefractive glass and optical elements made therefrom The present invention provides an alkali alumino-silicate Na—F-containing glass material and a method of making the alkali alumino-silicate Na—F-containing glass material, with the glass material capable of being made photosensitive and thus formed into optical ...	10/30/2007
7279238	Pressable glass-ceramics with textured microstructure A pressable dental ceramic comprising a mixture of glass and glass-ceramic frits. A refractory filler is also combined with the frits. The dental ceramic contains an amount of leucite less than about 35 percent by weight. Other additives may be included such as pigm...	10/09/2007
7264665	Inert dental glass The invention relates to the use of ions of weakly basic oxides as linking ions for polyacids in cements, preferably polyelectrolyte cements. Suitable ions comprise elements of the scandium series, for example, Sc3+, Y3+, La3+, Ce	09/04/2007
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
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
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
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
7175833	Glass composition A glass composition having the general empirical formula given below, expressed in weight percent of the element: P: 16–24, F: 5–30, O: 20–40 and at least one of Na, K, Li or Al in an amount up to a total of 40 wt. % and optionally, up to 5 wt. % of boron and/...	02/13/2007
7166963	Electrodeless lamp for emitting ultraviolet and/or vacuum ultraviolet radiation An electrodeless lamp and process for emitting ultraviolet and/or vacuum ultraviolet radiation comprises an envelope formed of an ultra-pure and/or low-defect quartz material and an ultraviolet and/or vacuum ultraviolet emissive material disposed in the interior reg...	01/23/2007
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
7144834	Optical colored glass, its use, and an optical long-pass cutoff filter The invention concerns an optical colored glass with a composition (in percent by weight based on oxide) of SiO2 30–75; K2O 5–35; B2O3>4–17; ZnO 5–37; F 0.01–10; CdO 0.1–1, S+Se+Te 0.1–1.5	12/05/2006
7134299	Meltdown device as well as a process for the production of high-UV-transmitting glass type The invention relates to a meltdown device for the production of high-UV transmittive glass types, comprising a meltdown tank for a melt bath a feed opening for the supplying or laying-in of highly pure raw materia...	11/14/2006
7111477	Production method of optical synthetic quartz glass, optical synthetic quartz glass, and annealing furnace An object is to provide a method for producing an optical synthetic quartz glass and an optical synthetic glass, having a birefringence of lower than 0.5 nm/cm and having favorable refractive index distribution, yet without lowering the productivity, as well as to p...	09/26/2006
7090720	Use of bioactive glass in dental filling material The dental filling material for a permanent dental filling contains up to 87 percent by weight of a mixture of bioactive glass particles capable of forming a hydroxylapatite layer and conventional non-bioactive dental glass particles surrounded or embedded in a matr...	08/15/2006
7091142	Glass-ceramic and its production and use The invention encompasses a glass-ceramic comprising a continuous glass phase and a crystal phase comprising tetragonal leucite, wherein the glass-ceramic has a crack-free glass phase and a crystal phase comprising leucite crystals distributed essentially homogeneou...	08/15/2006
7087293	Thick film dielectric compositions for use on aluminum nitride substrates The present invention relates to a Cd-free and Pb-free glass composition comprising, based in mol %, 1–10% MO where M is selected from Ba, Sr, Ca and mixtures thereof, 5–30% MgO, 0.3–5% CuO, 0–2.5% P2O5, 0–2.5% ZrO2, 24–4...	08/08/2006
7040121	Sealing lighting device component assembly with solder glass preform by using infrared radiation Disclosed is a method for sealing and affixing a component assembly for an electrical lighting device to a glass lamp envelope. The assembly used in the process comprises the component, such as an electrode lead wire and a solder glass perform. The process is useful...	05/09/2006
7030048	Thick film dielectric compositions for use on aluminum nitride substrates present invention relates to a Cd-free and Pb-free glass composition comprising, based in mol %, 1–10% MO where M is selected from Ba, Sr, Ca and mixtures thereof, 5–30% MgO, 0.3–5% CuO, 0–2.5% P2O5, 0–2.5% ZrO2, 24–45% Z...	04/18/2006
6989633	Alkaline-earth aluminosilicate glass, containing CA and BA, suitable for use in lamp bulbs, and a lamp bulb containing same An alkaline-earth aluminosilicate glass having a composition (in % by weight, based on oxide) of SiO2>55-64; Al2O3 13-18; B2O3 0-5.5; M5O 0-7; CaO 5.5-14; SrO 0-8; BaO 6-17; ZrO2 0-2; CeO	01/24/2006
6976372	Sealing lighting device component assembly with solder glass preform by using induction heating Disclosed is a process for sealing component assembly to an electrical lighting device using induction healing. The assembly comprises the component, such as an electrode lead wire, and a solder glass perform. The process is useful, for example, in hermetically seal...	12/20/2005
6916753	Tm3+-doped silicate glass and the use thereof The present invention is a thulium doped silicate glass having an excellent fluorescent emission in the 1.4 μm band, and the usage thereof. The silicate glass of this invention includes: 65˜95 mol % SiO2; 0.5˜30 mol % bivalent metal oxide consisting of...	07/12/2005
6833949	Film coated optical lithography elements and method of making The invention provides coated optical lithography elements and methods of coating optical elements, and particularly optical photolithography elements for use in below 240 nm optical photolithography systems utilizing vacuum ultraviolet light (VUV) lithography wavel...	12/21/2004
6825139	Poly-crystalline compositions The invention relates to a crystalline composition, a poly-crystalline product and an article of manufacture comprising an amount of SiO2, Al2O3, CaO, Fe2O3, TiO2, K2O, P2O5...	11/30/2004
6794322	Low-boron glass fibers and glass compositions for making the same Low-boron, high-barium glass compositions and fine-diameter glass fibers for forming clean room HEPA and ULPA filters, are provided. The compositions and resulting glass fibers preferably comprise a low concentration, less than about 1 weight percent, of boric oxide...	09/21/2004
6716781	Lead-free optical glasses The lead-free optical glasses have an index of refraction (nd) between 1.49 and 1.55 and an Abbé number (νd) between 47 and 59. They contain (in percent by weight on an oxide basis) 60 to 70, SiO2; 0.3 to 5, Al2O3	04/06/2004
6626986	Low-temperature-sintering potassium-zinc-silicate glass Potassium-zinc-silicate glasses are described which because of their high chemical stability as well as their optical properties and favorable working properties are suitable in particular as coating or veneering materials for ceramic dental suprastructur...	09/30/2003
6551952	Lead-free optical light flint glass materials The lead-free optical light flint glass material has a refractive index nd between 1.54 and 1.61 and an Abbe number .nu.d of between 38 and 45. It has a composition, based on oxide content, of SiO2 from 52 to 62% by weight...	04/22/2003
6503860	Antimony oxide glass with optical activity According to one aspect of the present invention an optically active glass contains Sb2 O3, up to about 4 mole % of an oxide of a rare earth element, and 0-20 mole % of a metal halide selected from the group consisting of a metal flu...	01/07/2003
6499317	Synthetic quartz glass and method for production thereof A synthetic quartz glass for optical use, to be used by irradiation with light within a range of from the ultraviolet region to the vacuum ultraviolet region, which contains fluorine, which has a ratio of the scattering peak intensity of 2250 cm-1	12/31/2002
6492072	Vacuum ultraviolet transmitting silicon oxyfluoride lithography glass High purity silicon oxyfluoride glass suitable for use as a photomask substrates for photolithography applications in the VUV wavelength region below 190 nm is disclosed. The inventive silicon oxyfluoride glass is transmissive at wavelengths around 157 nm...	12/10/2002
6466365	Film coated optical lithography elements and method of making The invention provides coated optical lithography elements and methods of coating optical elements, and particularly optical photolithography elements for use in below 240 nm optical photolithography systems utilizing vacuum ultraviolet light (VUV) lithog...	10/15/2002
6428614	Dental porcelains Opaque porcelains for use with metal cores in the manufacture of PFM restorations. The porcelains exhibit a coefficient of thermal expansion (CTE) substantially equal to or slightly above the CTE of the metal to which it is applied. The porcelains exhibit...	08/06/2002

«First «Previous1 2 3 4 5 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 501/57 - Fluorine