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Class 501/55 - 40 percent - 90 percent by weight silica


Subclass of Class 501 - Compositions: ceramic
Definition: Compositions wherein the silica content is at least 40 percent
No. of patents: 164
Last issue date: 04/17/2012


1          
NumberTitleIssue Date
8158542SiOslurry for the production of quartz glass as well as the application of the slurry
A known SiO2 slurry for the production of quartz glass contains a dispersion liquid and amorphous SiO2 particles with particle sizes to a maximum of 500 μm, wherein the largest volume fraction is composed of SiO2 particles with part...
04/17/2012
7419924Silica 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
7410922Silica glass containing TiOand process for its production
A silica glass containing TiO2, which has a fictive temperature of at most 1,200° C., an OH group concentration of at most 600 ppm and a coefficient of thermal expansion of 0±200 ppb/° C. from 0 to 100° C. ...
08/12/2008
7399721Glass 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
7365037Quartz 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
7306845Optical materials and optical devices
Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo...
12/11/2007
7294594Glass composition
A glass composition of the present invention relates to a multicomponent oxide glass composition manufactured by melting glass raw materials, which contains: 10 ppm or more of at least one type of a polyvalent element; minimum valence cations of the polyvalent eleme...
11/13/2007
7282696Photoelectric converter device and manufacturing method thereof
A photoelectric converter device comprises a semiconductor substrate including a photoelectric converter element formed on its surface, a visible light filter arranged to at least partially cover the surface of the semiconductor substrate, and a support member attac...
10/16/2007
7250383Clad 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
7192897Near-infrared light-absorbing glass, near-infrared light-absorbing element, near-infrared light-absorbing filter, and method of manufacturing near-infrared light-absorbing formed glass article, and copper-containing glass
Provided are near-infrared light-absorbing glass in which good color compensating characteristics are maintained even without containing harmful arsenic, permitting the thinning of the glass, and having good weatherability and forming properties; a near-infrared lig...
03/20/2007
7170674Fluorescence glass, optical wave guide for optical amplifier and optical amplifier module
The present invention provides fluorescent glass containing at least 50 mol % of at least one kind of oxide selected from the group consisting of SiO2, GeO2, and P2O5 as a glass constituent of a region containing a Bi ion ...
01/30/2007
7169476Zinc 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
7144633Glass compositions
Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. ...
12/05/2006
7144834Optical 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
7098259Cationically curable dental materials
The invention relates to a polymerizable dental material containing: (a) 3 to 80 wt. % of one or more cationically curable monomers; (b) 3 to 90 wt. % of one or more radio-opaque fillers; (c) 0.01 to 25 wt. % of initiators, retarders and/or accelerators, and; (d) 0 ...
08/29/2006
7087307Glass sheet and glass sheet photoelectric converter device
The present invention provides a glass sheet formed on molten tin, that exhibits a high transmittance that is originally inherent to its composition. In this glass sheet, the difference between a visible light reflectance of a surface formed in contact with the molt...
08/08/2006
7073353Production of mineral wool
The invention relates to a method for producing mineral wool, whereby a cracking catalyst having an aluminum oxide content of at least 35% by weight is used as a base material or aggregate. Said catalyst materials produce waste products which are difficult to elimin...
07/11/2006
7067085Black ceramic sinter with low thermal expansion and high specific rigidity and process for producing the same
This invention provides a black low thermal expansion high specific rigidity ceramic sintered body having a black tone, manifesting very small thermal expansion at room temperature and abounding in rigidity and specific rigidity, and a method for the production ther...
06/27/2006
7053017Reduced striae extreme ultraviolet elements
Titania-containing silica glass bodies and extreme ultraviolet elements having low levels of striae are disclosed. Methods and apparatus for manufacturing and measuring striae in glass elements and extreme ultraviolet elements are also disclosed. ...
05/30/2006
7045475High refractive index glass beads for high retroreflectivity surfaces
Glass formulations, and a method of converting such glass formulations to glass beads having a refractive index of at least 1.59 and a high level of retroreflectivity, are provided. The methods and formulations provide beads also having high levels of resistance to ...
05/16/2006
7005187Glass 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. within a temperature range from −20° C. to +70° C. and, preferably, Young's ...
02/28/2006
6989633Alkaline-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
6940220Glass, method for its production, and FED device
Glass comprises essentially 20-70% SiO2, 10-50% TiO2+Nb2O5+SnO2+Ta2O5+WO3+CeO2, 0-50% MgO+CaO+SrO+BaO+ZnO, and 0-30% B2O3+Al2O3
09/06/2005
6932762Endoscope having red component cut filter
An endoscope includes a red component cut optical filter having a characteristic that a spectral transmittance becomes half at 630 nm and zero at 670 nm, for example between a light source and an infrared cut filter, to remove a long wavelength component mainly in a...
08/23/2005
6914024Glass beads and uses thereof
In one aspect, the invention provides glass beads and optical devices comprising the glass beads. In other aspects, the invention provides methods of making said glass beads and rapid glass screening methods that use glass beads. Glass beads of the invention compris...
07/05/2005
6903036Infrared absorbing filter and its fabrication method
An infrared absorption filter consisting of 70 to 98 mol % of SiO2, 1 to 12 mol % of CuO and 1 to 18 mol % of a network modifier oxide than CuO or CdO is provided. A process of fabricating an infrared absorption filter is also provided. The process compri...
06/07/2005
6878464Glass-ceramic composite material and multilayered circuit substrate
A glass-ceramic composite material for use in forming a multilayered circuit substrate is provided which has a low dielectric constant, but exhibits a relatively high thermal expansion coefficient. Specifically, the glass-ceramic composite material comprises a glass...
04/12/2005
6849114Dispersion comprising silicon/titanium mixed oxide powder, and green bodies and shaped glass articles produced therefrom
Aqueous dispersion comprising silicon/titanium mixed oxide powder with a BET surface area of 5 to 500 m2/g which has been prepared by flame hydrolysis and has a titanium dioxide content of 0.5 to 20 wt. %, based on the powder, water and at least one pH-re...
02/01/2005
6849334Optical materials and optical devices
Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo...
02/01/2005
6841242Silica yarn for textile with high thermal resistance
The invention relates to a silica yarn and to woven or nonwoven fabrics produced from said yarn, which comprises 30 to 1500 ppm by weight of aluminum and 10 to 200 ppm by weight of titanium in oxidized form, the sum of the mass of the chemical elements different fro...
01/11/2005
6822383CRT panel glass containing SrO and BaO
In order to suppress production of devitrifying stones such as barium disilicate and strontium silicate and to achieve a high X-ray absorbability, a CRT panel glass does not substantially contain PbO and contains, in mass percent, 9-9.5% SrO and 8.5-9% BaO. In addit...
11/23/2004
6794043Glass-ceramics for a light filter
There is provided a glass-ceramic which is suitable for use as a light filter. The glass-ceramic has Young's modulus (GPa) within a range from 95 to 120 and includes 5.3-8 weight percent of Al2O3, 0.5-3.5 weight percent of ZrO2 and 7...
09/21/2004
6780803Ultraviolet/infrared absorbent low transmittance glass
The ultraviolet/infrared absorbent low transmittance glass consists of base glass including: 65 to 80 wt. % SiO2; 0 to 5 wt. % Al2O3; 0 to 10 wt. % MgO; 5 to 15 wt. % CaO (a total amount of MgO and CaO is between 5 to 15 wt. %); 10 t...
08/24/2004
6768856High germanium content waveguide materials
Germanium-silicon oxide, germanium-silicon oxynitride and silica-germania-titania materials and oxynitride materials suitable for fabricating optical waveguides for liquid crystal based cross-connect optical switching devices have a refractive index of from about 1....
07/27/2004
6733891Roll having glass coating
Rolls include a core and a glass outer coating on the core. The glass can be electrically charged and discharged. The outer coatings have smooth finishes and controlled electrical properties. The outer coatings can also provide selected mechanical, chemical and ther...
05/11/2004
6713180Improvements in or relating to tempered glazings and glass for use therein
Glazing, thermally tempered to required standards, are produced more readily by tempering panes having a high coefficient of thermal expansion (greater than 93×10−7 per degree Centigrade) and for a low Fracture Toughness (less than 0.72 MPam½
03/30/2004
6703103Biologically soluble honeycomb structure
The honeycomb structure of the present invention is formed from a nonwoven fabric in which a biologically soluble fiber is used, and exhibits superior biological solubility and high heat resistance....
03/09/2004
6699808High-solids SiO2 dispersions, process for producing them, and their use
Extremely high solids content silica dispersions are useful for forming green bodies of near net shape as compared to the shape of the bodies after sintering. The green bodies are particularly useful for sintering to form low impurity-containing crucibles...
03/02/2004
6677046Glass ceramic
A glass ceramic having properties of low thermal expansion, high transmittance in a visible light region and low specific gravity, and a glass ceramic substrate made of the glass ceramic are provided. The glass ceramic has a crystal phase containing a &#x...
01/13/2004
6676719Aqueous dispersion, a process for the preparation and the use thereof
A pyrogenic process is used to prepare alkali-doped silica particles. Particles produced by this process exhibit homogeneous doping, reduced agglomeration, greater stability and higher removal rates. Aqueous dispersions containing alkali-doped pyrogenic s...
01/13/2004
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