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8143181 Nonlinear optic glassy fiber, methods of making and applications of the same  
A process for producing an optical glass fiber from crystal-glass phase material. In one embodiment, the process includes the step of providing a molten crystal-glass phase material in a container,...
8141387 Process of producing a glass-ceramic, the glass-ceramic made therby and its uses  
The process of making the glass-ceramic includes ceramicizing a starting glass at a heating or cooling rate during the ceramicization of at least 10 K/min, so that the glass-ceramic contains at...
8080490 Antimicrobial phosphate glass  
The invention relates to an antimicrobial phosphate glass having the following composition in percent by weight on an oxide basis: P2O5>66-80 percent by weight; SO30-40 percent by weight; B203 0-1...
8053382 Optical glass  
Optical glass constituted by an amorphous matrix and crystal grains dispersed in the amorphous matrix, wherein the amorphous matrix comprises a first oxide of at least one of silicon oxide and...
8039407 Sintered glass ceramic and method for producing the same  
The invention provides a method for producing a glass ceramic comprising the steps of melting a starting glass that is free from alkali, except for incidental contamination, and that contains at...
7947616 Pavement marking, reflective elements, and methods of making microspheres  
Presently described are retroreflective articles, such as pavement markings, that comprise transparent microspheres partially embedded in a (e.g., polymeric) binder. Also described are (e.g.,...
7910505 Sintered glass ceramic and method for producing the same  
The invention provides a method for producing a glass ceramic comprising the steps of melting a starting glass that is free from alkali, except for incidental contamination, and that contains at...
7906444 Armor material made of glass ceramics  
The invention relates to a glass ceramic armour material consisting (in % by weight in relation to oxide base) of 5-33 SiO2, 20-50 Al2O3, 5-40 MgO, 0-15 B2O3, 0.1-30 Y2O3, Ln2O3, As2O3, Nb2O3...
7875565 Transparent glass-ceramic armor  
The invention is directed to transparent glass-ceramic materials for use in transparent armor systems. Applications include armor systems for ground vehicles and aircraft as well as personal...
7846857 Dental glass ceramics  
The invention relates to dental glass-ceramics and a process for producing them and their use, with these comprising at least one crystal phase containing xenotime or monazite or mixtures thereof.
7745360 Pavement marking, reflective elements, and methods of making microspheres  
Presently described are retroreflective articles, such as pavement markings, that comprise transparent microspheres partially embedded in a (e.g., polymeric) binder. Also described are (e.g.,...
7704903 Antimicrobial phosphate glass with adapted refractive index  
The invention provides an antimicrobial phosphate glass composition including, in weight percent based on oxide: greater than 45 to 90 of P2O5, 0 to 60 of B2O3, 0 to 40 of SiO2, 0 to 20 weight...
7687417 Lead free glass(es), thick film paste(s), tape composition(s) and low temperature cofired ceramic devices made therefrom  
A glass composition consisting essentially of, based on mole percent, 46-56% B2O3, 0.5-8.5% P2O5, SiO2 and mixtures thereof, 20-50% CaO, 2-15% Ln2O3 where Ln is selected from the group consisting...
7662735 Ceramic fibers and composites comprising same  
Ceramic fibers comprising glass, and composites comprising such fibers. The glass comprises at least 35 percent by weight Al2O3, based on the total metal oxide content of the glass, a first metal...
7598188 Ceramic materials and methods of making and using the same  
Ceramic materials and articles comprising at least 35 percent by weight Al2O3, and a plurality of cells having an average cell size of less than 3 micrometers.
7591961 Translucent piezoelectric glass ceramic  
A translucent piezoelectric glass ceramic is disclosed. The glass ceramic is prepared from a precursor glass by a ceraming process, using a temperature gradient to effect the precipitation of...
7592278 Glass ceramic  
A glass ceramic is specified, with a crystalline phase consisting predominantly of BPO4, and preferably exclusively of BPO4. The glass ceramic contains 10 to 50 wt.-% SiO2, 5 to 40 B2O3, 25 to 75...
7547652 Vitreous compositions of the vitroceramic type, transparent to infrared  
The invention relates to vitreous compositions, in particular of the vitroceramic type, transparent to infrared, production and uses thereof. Said compositions comprise in mol. %: Ge 5-40, Ga<1,...
7544629 Non-lead glass for forming dielectric, glass ceramic composition for forming dielectric, dielectric, and process for producing laminated dielectric  
A non-lead glass for forming a dielectric, which consists essentially of, as represented by mol %, from 20 to 39% of SiO2, from 5 to 35% of B2O3, from 2 to 15% of Al2O3, from 1 to 25% of CaO+SrO,...
7524779 Microspheres having a high index of refraction  
The present invention relates to microspheres (i.e., beads) having a high index of refraction. The invention also relates to retroreflective articles, and in particular pavement markings,...
7507683 Glass ceramics for laser systems  
A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and...
7482292 Composition for ceramic substrate, ceramic substrate, method for producing ceramic substrate  
A ceramic substrate composition is provided which can be co-fired with a low-melting metal and exhibits excellent dielectric characteristics at high frequencies, particularly tens of gigahertz. The...
7465687 Tough cordierite glass-ceramics  
An internally nucleated, toughened cordierite glass-ceramic is disclosed. The cordierite glass-ceramic has good oxidation resistance and fracture toughness and coefficient of thermal expansion...
7381258 Opaque dental ceramic—method of production and use therof  
The invention relates to an opaque dental ceramic for burning on a rack or implant of dental restoration at least comprising SiO2, Al2O3, B2O3, Na2O, K2O as well as TiO2. To cover the...
7381232 Process for producing CeO2 fine particles and polishing slurry containing such fine particles  
To provide a process for producing CeO2 fine particles having high crystallinity, being excellent in uniformity of composition and particle size and having a small particle size, and a polishing...
7371702 Translucent and radio-opaque glass ceramics  
Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion.
7368097 Preparation of nanocrystalline lithium titanate spinels  
Process for preparing nanocrystalline lithium titanate spinels by reacting lithium hydroxide and a titanium alkoxide at elevated temperature in a reaction mixture which forms water of reaction.
7365036 Crystallized glass spacer for field emission display and method its production  
Provided is a crystallized glass spacer for a field emission display resistant to charging with application of an electric field and resistant to chipping or cracking thanks to high fracture...
7332453 Ceramics, and methods of making and using the same  
Ceramics (including glasses and glass-ceramics) comprising nitrogen, and methods of making the same.
7306845 Optical 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...
7300896 Glass ceramic and method of producing the same  
A glass ceramic comprises (in wt.-% on oxide basis): SiO2 35 to 60, B2O3>4 to 10, P2O5 0 to 10, Al2O3 16.5 to 40, TiO2 1 to 10, Ta2O5 0 to 8, Y2O3 0 to 6, ZrO2 1 to 10, MgO 6 to 20, CaO 0 to 10,...
7297171 Methods of making ceramics comprising Al2O3, REO, ZrO2 and/or HfO2 and Nb205 and/or Ta2O5  
Methods for making glass-ceramics comprising Al2O3, REO, at least one of ZrO2 or HfO2 and at least one of Nb2O5 or Ta2O5. Glass-ceramics according to the present invention can be made, formed as,...
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))O2. In...
7291571 Crystallizable glass and the use thereof for producing extremely solid and break resistant glass-ceramics having an easily polished surface  
The invention relates to crystallizable aluminosilicate magnesium-containing glass which is used for producing extremely solid and break-resistant glass-ceramics having an easily polished surface....
7285507 Ceramic composition being fired at low temperature and having high strength and method for preparing the same, and laminated electronic parts using the same  
A high-strength, low-temperature-sintered ceramic composition having a structure comprising a SrAl2Si2O8 Crystal and an Al2O3 crystal, the SrAl2Si2O8 crystal being composed of hexagonal SrAl2Si2O8...
7253128 Ceramics comprising AI2O3, Y2O3, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same  
Ceramics comprising (i) at least one of Nb2O5 or Ta2O5 and (ii) at least two of (a) Al2O3, (b) Y2O3, or (c) at least one of ZrO2 or HfO2. Embodiments of ceramics according to the present invention...
7211532 Alkali ion conductive glass-ceramics and electric cells and gas sensors using the same  
There are provided glass-ceramics having a high lithium ion conductivity which include in mol %: P2O538–40%TiO225–45%M2O3 (where M is Al or Ga) 5–15%Li2O10–20% and contain Li1+X(Al, Ga)XTi2−X...
7189669 Dielectric ceramic material and multilayer ceramic substrate  
A dielectric ceramic material which is obtained by firing a raw material comprising an alumina powder and a glass powder containing at least SiO2 and MgO, the dielectric ceramic material being...
7189670 Dielectric ceramic and multilayer ceramic substrate  
A dielectric ceramic obtained by firing a raw material comprising an alumina powder, a crystallizable glass powder mainly containing SiO2, CaO and MgO, and a noncrystallizable glass powder mainly...
7183232 Translucent and radio-opaque ceramics  
Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion.
7172649 Leucite glass ceramic doped with nanoscale metal oxide powder, method for producing the same, and dental materials and dental products formed therefrom  
The disclosure relates to a leucite glass ceramic doped with nanoscale metal oxide, to a doped leucite glass ceramic powder suitable for its production, to a method for producing the doped leucite...
7147544 Glass-ceramics  
Glass-ceramics and methods of making the same. Embodiments of the invention include abrasive particles. The abrasive particles can be incorporated into a variety of abrasive articles, including...
7144832 Use of a magnesia zirconia brick  
The present invention relates to the use of a magnesia-zirconia brick in regenerator chambers of glass troughs, which are at least partially operated using a reducing atmosphere.
7144618 Multilayer composite and method for preparing the same  
A multilayer composite includes an insulating substrate and patterned conductive layers and insulating layers alternately laminated on the insulating substrate. In a laminating process, a...
7101819 Alumina-zirconia, and methods of making and using the same  
Alumina-zirconia materials and methods of making the same. Embodiments of the invention include abrasive particles. The abrasive particles can be incorporated into a variety of abrasive articles,...
7074730 Bioactive rhenanite glass ceramic  
The invention relates to a bioactive rhenanite glass ceramic which is characterized by a high content of P2O5, CaO and Na2O and is particularly suitable as bone replacement material in dentistry.
7053015 SBN glass ceramics system  
A glass ceramics having a chemical composition of aRO.bNb2.O5.cSiO2.dB2O3.eTeO2.fX (where R represents Ba and/or Sr, X represents one or more oxide selected from the group consisting of TiO2, ZrO2,...
7015161 Substrate for information recording medium and magnetic recording medium composed of crystallized glass  
Provided is a substrate for information recording medium composed of such a crystallized glass as having high Young's modulus, strength and heat resistance, being excellent in surface smoothness,...
7015160 Glass ceramic dielectric material suitable for production of a microwave circuit component  
Glass powder for a dielectric material has a nature that, when fired, diopside (CaMgSi2O6) and at least one of titanite (CaTi(SiO4)O) and titania (TiO2) are precipitated. Preferably, the glass...
7008892 Raman-active optical fiber  
An optical fiber has a fiber core with a higher refractive index and a cladding surrounding the core with a lower refractive index. The fiber core is made of a multi-component oxide glass...
Matches 1 - 50 out of 298 1 2 3 4 5 6 >