|
Match
|
Document |
Document Title |
|
|
6103649 |
High X-ray absorbing panel glass for cathode ray tubes
A glass composition comprised of controlled amounts of BaO, SrO, ZnO and ZrO 2 , and alkali metal oxides has a high linear X-ray absorption coefficient of at least 34 cm -1 at a wavelength of 0.6...
|
|
|
6103650 |
Green privacy glass
The present invention provides a green colored, infrared and ultraviolet absorbing glass composition having a luminous transmittance of up to 60 percent. The glass composition uses a standard...
|
|
|
6096670 |
Alkali metal-free aluminoborosilicate glass and its use
An alkali metal-free aluminoborosilicate glass is described which has the following composition (in % by weight based on oxide): SiO 2 57-60; B 2 O 3 6.5-9.5; Al 2 O 3 14-17.5; MgO 5-8; CaO...
|
|
|
6087284 |
Aluminosilicate glass for flat display devices
The invention relates to a solarization-stable aluminosilicate glass which has the following composition (in % by weight, based on oxide): SiO 2 45-68; Al 2 O 3 >5-18; Na 2 O 0-5; K 2 ...
|
|
|
6087282 |
Non-greening porcelain compositions
Porcelain compositions of the present invention possess non-greening properties and comprise one or more glass or glass-ceramic components. Additionally, an oxygen release agent is included in the...
|
|
|
6074969 |
Earth-alkaline aluminoborosilicate glass for lamp bulbs
The invention relates to an aluminoborosilicate glass containing alkaline earth metals for lamp bulbs which have molybdenum components and bulb temperatures of at most 650° C. The glass has the...
|
|
|
6071839 |
Colorant glasses
These color television (CTV) panel tint glasses involve using base CTV panel glass compositions with enhanced levels of Ni and Co colorants. The approach uses non-lead CTV panel glass compositions...
|
|
|
6069100 |
Glass for lamb bulbs capable of withstanding high temperatures
The invention is directed to an aluminosilicate glass containing alkaline earth metals for lamp bulbs which have molybdenum components and bulb temperatures of greater than 650° C. The glass has a...
|
|
|
6046122 |
Ultraviolet and infrared radiation absorbing glass
An ultraviolet and infrared radiation absorbing glass is disclosed, comprising, in % by weight: basic glass components comprising 65 to 80% SiO 2 , 0 to 5% Al 2 O 3 , 0 to 10% MgO, ...
|
|
|
6004894 |
Reflective porcelain enamel coating compositions
The present invention provides a porcelain enamel coating composition for use in forming a coating composition upon a metal substrate having an infrared reflectivity of at least 50% at 2.5...
|
|
|
6001754 |
Opal glass compositions
Opal glass compositions for producing opal glass articles such as perfume bottles are disclosed. The compositions are borosilicate compositions and further include 0.5-3.0 wt % of CaO and 1.0-6.0...
|
|
|
5977001 |
Glass composition
The invention relates to a glass composition for electric lamps which glass composition comprises SiO 2 , Al 2 O 3 , Na 2 O, K 2 O, Li 2 O, B 2 O 3 , BaO and SrO and optionally CaO, MgO, ZnO,...
|
|
|
5961883 |
Oxide fluorescent glass capable of exhibiting visible fluorescence
A glass material is provided which is capable of exhibiting fluorescence in the visible region by ultraviolet ray excitation. This glass material is represented, in term of atoms for making up the...
|
|
|
5944884 |
Dental porcelain composition
A porcelain composition for dental restorations comprising a leucite crystallite phase and a glass matrix phase, wherein the leucite crystallites possess diameters not exceeding about 10 micron....
|
|
|
5932501 |
High-index glasses that absorb UV radiation
The invention relates to glasses which absorb UV radiation and which have the following composition, in wt. %: SiO 2 30-52; ZnO 0-8; B 2 O 3 12-22; PbO 0-2; ZrO 2 5-14; Y 2 O 3 0-15; Al 2 O...
|
|
|
5925582 |
Glass composition suitable for use in a fluorescent lamp, lamp envelope manufactured from said glass composition and fluorescent lamp provided with a lamp envelope of said glass composition
A novel type of glass having a low sodium content (<0.1 wt. % Na 2 O), which can be used as a bulb glass (10) for "TL" lamps and for compact fluorescent lamps. Said glass is free of the toxic...
|
|
|
5919718 |
Glass composition moldable into an optical element with reduced pull-out
A mold has a moling surface of a material containing silicon carbide and/or silicon nitride as a main component and a carbon thin film formed on the molding surface to prevent fusion sticking. A...
|
|
|
5897956 |
Glass having low solar radiation and ultraviolet ray transmittance
Glass having low solar radiation and ultraviolet ray transmittance, which consists essentially of a soda lime-silica type matrix glass containing from 0.53 to 0.70 wt % of total iron calculated as...
|
|
|
5895768 |
Chemically prestressable aluminosilicate glass and products made therefrom
The chemically prestressable glass having a low bubble count and bubble size has the following composition in mol %, based on a total amount of oxides present, SiO 2 from 63.0 to 67.5 mol %, Al 2 ...
|
|
|
5877103 |
Dark grey soda-lime glass
Soda lime glass includes glass forming constituents for soda lime glass; and coloring agents including iron, cobalt, selenium and chromium express in the form indicated and in an amount as percent...
|
|
|
5854151 |
Glass body with distribution composition
The present invention provides a glass body with distributed composition which contains, for example, a rare-earth element having a concentration distribution, which can be produced in high yield...
|
|
|
5854153 |
Glasses for display panels
Glasses for use as substrates for flat panel displays, having a composition consisting essentially of, as calculated in weight percent on an oxide basis, of 42-62 SiO 2 , 15-28 Al 2 O 3 , 0-4 B 2 ...
|
|
|
5830814 |
Glass compositions for the manufacture of glazings
The present invention relates to glass compositions suitable for the manufacture of glazings for use in the architectural field or for fitting in motor vehicles. These compositions contain the...
|
|
|
5827790 |
Unleaded transparent vitreous glass composition and articles
The present invention relates to an unleaded durable transparent vitreous glass composition comprising a combination of (a) up to 98 wt % of a low alumina alkali borosilicate, (b) 2-20 wt %...
|
|
|
5815625 |
Glass and fiber optic plate using the same
The object of the present invention is to provide an absorber glass for FOP having a broad absorption band which extends from ultraviolet region through visible region to near infrared region. The...
|
|
|
5776845 |
High transmittance green glass with improved UV absorption
The invention is a green soda-lime-silica glass composition having excellent ultra violet absorbing ability while having a relatively high light transmittance. The colorants of the glass...
|
|
|
5744409 |
Optical glass
An optical glass containing, as glass components, 30.about.55 wt % of SiO 2 , 5.about.30 wt % of B 2 O 3 , the total amount of SiO 2 and B 2 O 3 being 56.about.70 wt % and the SiO 2 /B 2 O 3 ...
|
|
|
5713994 |
Low-fusing temperature porcelain, compositions, prostheses, methods and kits
A low-fusing temperature porcelain compositions, methods of use thereof on metal or porcelain substrates to form dental prostheses and kits therefor. Compositions of the invention have a fusing...
|
|
|
5714422 |
Transparent glass
Transparent glass obtained from a mixture of oxides, wherein the mixture of oxides has the following composition, expressed as a percentage of the total weight: TBL ...
|
|
|
5681782 |
Light pink glassware
A transparent glass exhibiting a light pink color, the glass, as analyzed, consisting essentially of 12-34 ppm selenium in conjunction with a co-colorant selected from a group consisting of 1.5-7...
|
|
|
5679144 |
Powder composition for the preparation of an opaque dental porcelain in the form of a paste
A powder composition for the preparation of an opaque dental porcelain, containing as its components one or more feldspar frits consisting of a number of feldspar frits of different chemical...
|
|
|
5653791 |
Two-phase dental forcelain composition
A two-phase porcelain composition for dental restorations comprising a leucite crystallite phase dispersed in a feldspathic glass matrix, a maturing temperature of from about 750° to about 1050°...
|
|
|
5641347 |
Barium-free dental glass having good x-ray absorption
Disclosed is a barium-free glass of good x-ray absorption, which has a composition (in wt.-% on the oxide basis) of SiO 2 50-75; ZrO 2 5-30; Li 2 O 0-5; Na 2 O 0-25; K 2 O 0-25; Σ alkali...
|
|
|
5631522 |
Low sodium permeability glass
A glass composition, particularly well suited for use in constructing sodium containing lamp envelopes. The glass composition is comprised of silica doped with yttrium and/or cesium, preferably in...
|
|
|
5618763 |
Alkali-zinc-silicate glass-ceramics and glasses
Alkali-zinc-silicate glass ceramics and glasses are described which have a linear thermal expansion coefficient in the range from 8.0 to 18.7×10 -6 K -1 , an excellent chemical resistance and...
|
|
|
5572091 |
Quartz glass with reduced ultraviolet radiation transmissivity, and electrical discharge lamp using such glass
Ultraviolet (UV) radiation in the UV-C and UV-B bands, which is particularly dangerous, is absorbed and filtered by quartz glass doped with between 0.065% and 3.25%, and preferably between 0.065%...
|
|
|
5569630 |
Composites for glass
A lithium-free glass composition containing 64 to 75% SiO 2 , 11 to 16% total of a matrix compound selected from a first group which is B 2 O 3 , and BaO, or from a second group which contains Al...
|
|
|
5552350 |
Low-fusing temperature porcelain
A low-fusing temperature porcelain composition for use in dental prostheses is disclosed having a fusing temperature of about 700° C.±50° C. and a coefficient of thermal expansion compatible...
|
|
|
5541471 |
Electric lamp
An electric lamp has a light source which has an envelope of doped quartz glass. The quartz glass including silicon, cerium, titanium, europium and aluminium in oxidic form. Cerium accounts for...
|
|
|
5528107 |
Lead and arsenic free, solarization resistant glass
An electric arc discharge lamp having an arc discharge light source which emits both visible light radiation and UV radiation enclosed within an anti-solarization borosilicate glass envelope which...
|
|
|
5525554 |
High index glasses
This invention is directed to the production of glasses essentially free of Nb 2 O 5 , and having refractive index close to 1.7, an Abbe number of about 35 and a density close to 3.2. The glasses...
|
|
|
5525553 |
Colorless ophthalmic glasses
This invention is directed to the production of glasses useful for ophthalmic applications which exhibit excellent resistance to the development of coloration upon being exposed to x-radiation and...
|
|
|
5512520 |
Ivory color in opaque glass-ceramic
An ivory-colored, opaque glass-ceramic having a beta-spodumene solid solution as its primary crystal phase, and a method of controlling color in the glass-ceramic. The glass-ceramic is produced...
|
|
|
5468692 |
Non-browning cathode ray tube glasses
This invention is directed to glass compositions particularly designed for use in rear projection tube applications. The glass compositions are essentially free from ZnO, PbO and other easily...
|
|
|
5447786 |
Selective infrared line emitters
Robust, large area selective infrared line emitters can be made using composites of rare earth metal compound particulates dispersed and interlocked in a network of connected structure-forming...
|
|
|
5446007 |
Brown contrast enhancement glass
A brown chemstrengthenable contrast enhancement, UV attenuated glass (e.g., for sunglasses) comprises, in weight percent, TBL ______________________________________ Oxide Wt. %...
|
|
|
5432130 |
Opalescent glass
An opalescent glass is described which is characterized by a continuous glass phase and a discontinuous glass phase dispersed therein, and which can be used as dental material or as a constituent...
|
|
|
5391320 |
Terbium activated silicate luminescent glasses
This invention relates to terbium activated silicate luminescent glasses exhibiting reduced afterglow and enhanced luminescence due to incorporation therein of selected rare earth oxides of cerium,...
|
|
|
5387558 |
Colored glass-ceramic articles
This invention is directed to the formation of glass-ceramic articles which exhibit a yellow coloration in visible light and fluoresce with a yellow coloration while being exposed to ultraviolet...
|
|
|
5382552 |
Rare earth-containing alkali silicate frits and their use for the preparation of porcelain enamel coatings with improved cleanability
The present invention relates to a rare earth-containing, alkali silicate frit which may be applied to a metal substrate to provide a porcelain enamel coating which has good thermal stability, an...
|