|
Match
|
Document |
Document Title |
|
|
7550645 |
Process and composition for the immobilization of radioactive and hazardous wastes in borosilicate glass
The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous...
|
|
|
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 SiO 2 , Al 2 O 3 , B 2 O 3 , Na 2 O, K 2 O as well as TiO 2 . To cover...
|
|
|
7358206 |
UV transmitting glasses
The present invention relates to a boroaluminosilicate glass which exhibits excellent UV transmission. In particular, the present invention is directed at an alkali fluorine-doped...
|
|
|
7294594 |
Glass 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...
|
|
|
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...
|
|
|
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...
|
|
|
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. % SiO 2 ,0–40 wt. % Na 2 O, 0–40 wt. % K 2 O, 0–40 wt. % Li 2 O,...
|
|
|
7160824 |
Glass compositions
Disclosed are glass compositions and glass fibers formed from certain embodiments of the disclosed glass compositions. Certain embodiments of the glass compositions include, among other components,...
|
|
|
7157392 |
Alkali-free aluminoborosilicate glasses, and uses thereof
An alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α 20/300 of between 2.8×10 −6 /K and 3.8×10 −6 /K, which has the following composition (in % by weight,...
|
|
|
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...
|
|
|
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 SiO 2 >55-64; Al 2 O 3 13-18; B 2 O 3 0-5.5; M 5 O 0-7; CaO 5.5-14; SrO 0-8; BaO 6-17; ZrO 2 ...
|
|
|
6986873 |
Method of producing a metal-containing single-phase composition
A method of producing a single-phase composition M n+1 A z X n , primarily the production of the single-phase material Ti 3 SiC 2 , where n lies within a range of 0.8-3.2, where z lies within a...
|
|
|
6979661 |
Highly birefringent glass
A birefringent glass composed of a phase-separated glass is provided. The phase-separated glass includes a borosilicate glass in which fluorine and a constituent that tends to crystallize into a...
|
|
|
6960545 |
Preferably Pb-free and As-free optical glasses with Tg≦500° C.
The present invention relates to preferably lead-free and arsenic-free optical glasses, having a refractive index of 1.48≦n d ≦1.56, an Abbe number of 64≦νd≦72, a low transformation...
|
|
|
6867157 |
Optical glass having an anomalous dispersion
An optical glass having a positive anomalous dispersion comprises, in mass %,
SiO 2 40-60% B 2 O 3 3-9% TiO 2 3-15% Nb 2 O 5 0.1-5.0% Al 2 O 3 3-15% WO 3 0.5-5.0% MgO 0-3% CaO 0-3% SrO...
|
|
|
6841242 |
Silica 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...
|
|
|
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...
|
|
|
6632759 |
UV photosensitive melted germano-silicate glasses
The present invention relates generally to UV (ultraviolet) photosensitive bulk glass, and particularly to batch meltable alkali boro-alumino-silicate glasses. The photosensitive bulk glass of the...
|
|
|
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...
|
|
|
6617789 |
Glass for covering electrodes and plasma display panel
A glass for covering electrodes, which consists, as represented by mass percentage based on the following oxides, essentially of: Mass percentage PbO 44 to 68% Bi 2 O 3 0 to 18%, B 2 O 3 19 to...
|
|
|
6503860 |
Antimony oxide glass with optical activity
According to one aspect of the present invention an optically active glass contains Sb 2 O 3 , up to about 4 mole % of an oxide of a rare earth element, and 0-20 mole % of a metal halide selected...
|
|
|
6465381 |
Alkali-free aluminoborosilicate glass, its use and process for its preparation
The invention relates to an alkali-free aluminoboro-silicate glass which has the following composition (in % by weight, based on oxide): SiO 2 >60-65; B 2 O 3 6.5-9.5; Al 2 O 3 14-21; MgO...
|
|
|
6450813 |
Repair porcelain product, composition and method
The invention provides a dental porcelain product, comprising a core layer of core material and a repair layer of repair material. The core layer has a higher melting temperature than the repair...
|
|
|
6444599 |
Rare earth element-halide environments in oxyhalide glasses
The present invention relates to an oxyhalide glass matrix including 0-70 mol. % SiO 2 , 5-35 mol. % Al 2 O 3 , 1-50 mol. % B 2 O 3 , 5-35 mol. % R 2 O, 0-12 wt. % F, 0-12 wt. % Cl, and 0 to 0.2...
|
|
|
6432853 |
Medium expansion leaded copper boroaluminosilicate glasses
The present invention is directed at a leaded copper boroaluminosilicate glass, having coefficients of thermal expansion (CTES) of between 25-55×10 −7 /°C. (over a range of 25-300° C.) and a...
|
|
|
6420290 |
Colorless inorganic glass
The object of the present invention is colorless inorganic glasses, as well as products manufactured from said glasses. Said glasses are of the type containing copper halides or copper cadmium...
|
|
|
6391810 |
Lead- and barium-free crystal glass
Lead- and barium-free crystal glass for the manual or machine production of high-grade glass objects with a refractive index higher than 1.52 and a density of at least 2.45 g/cc, wherein the...
|
|
|
6381989 |
Heat treated fibers for reinforced dental restorations and method of manufacture thereof
A method for processing a glass fiber material, wherein the glass fiber material has been heat treated at a temperature less than or equal to the annealing temperature of the glass for a length of...
|
|
|
6346493 |
Decorative glass enamels
The present invention provides a new and improved lead-free and cadmium-free glass enamel composition that displays good flow at traditional glass enamel firing temperatures and upon firing...
|
|
|
6309990 |
Glass fiber of low permittivity
A low-dielectric-constant glass fiber having a glass composition comprising, by % by weight, 45 to 60% of SiO 2 , 8 to 20% of Al 2 O 3 , 15 to 30% of B 2 O 3 , 0 to 5% of MgO, 5%, exclusive of...
|
|
|
6306784 |
Alkali silicate glass
Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering...
|
|
|
6297181 |
Barium-free, X-ray-opaque dental glass and dental glass/polymer composite, and the use thereof
The invention relates to a barium-free, X-ray-opaque dental glass, to a dental glass/polymer composite comprising the glass, and to the use thereof as dental filling, where the dental glass has the...
|
|
|
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...
|
|
|
6214482 |
Dielectric-layer for magneto-optic storage media structures
A dielectric layer for use in a magneto-optic storage medium contains a compound glass of SiO 2 --MO 2 , SiO 2 --M 2 O 3 , or SiO 2 --M 2 O 5 and combinations thereof where M is selected from...
|
|
|
6206958 |
Dental porcelain compositions
Porcelain compositions of the present invention comprises particulate of one or more glass or glass-ceramic powder components. Additionally, one or more opacifing agents, pigments, fluorescing...
|
|
|
6200137 |
Chemically stable translucent apatite glass ceramic
An apatite glass ceramic is described which is characterized by good chemical stability, a low expansion coefficient and high translucence, and is particularly suitable, by itself or together with...
|
|
|
6171987 |
Cadmium-free and lead-free glass compositions, thick film formulations containing them and uses thereof
A glass composition comprising, in mole percent of the total composition: glass-forming compounds in a total amount of 75 to 85%, wherein said glass forming compounds comprise 40 to 65% SiO 2 ,...
|
|
|
6120591 |
Low fusing dental porcelains containing fine-grained leucite
A dental porcelain composition, comprising a glassy matrix and leucite crystallites embedded therein, and having maturing temperatures in the range from about 600° C. to about 885° C. and CTEs in...
|
|
|
6107224 |
Glass compositions for high thermal insulation efficiency glass fibers
Glass compositions displaying decreased far infrared radiation transmission, high biosolubility, and excellent moisture resistance are capable of fiberization by the rotary process, and may be used...
|
|
|
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...
|
|
|
6086662 |
Low fusing dental porcelains containing tetragonal rubidium-leucite
A dental porcelain composition, comprising a glassy matrix and rubidium leucite crystallites embedded therein, and having maturing temperatures in the range from about 650° C. to about 800° C....
|
|
|
6080692 |
High-strength, translucent mica glass-ceramics
The invention relates to a glass ceramic in which mica and ZrO 2 are present in crystallized form, containing: K 2 O: 0-9% by weight Na 2 O: 0-9% by weight with the condition that Na 2 O...
|
|
|
6048812 |
Brown glass which absorbs ultraviolet radiation
The invention relates to brown glasses which absorb ultraviolet radiation that are used in the production of ophthalmic sun glasses, and that have the following composition, expressed in wt. %: TBL...
|
|
|
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: TBL ______________________________________ SiO 2 54-58% ...
|
|
|
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...
|
|
|
5955388 |
Transparent oxyflouride glass-ceramic composition and process of making
A transparent class ceramic composition includes an oxide component, a rare earth component, a halide component, and a substantially pure rare earth-halide (e.g., REF 3 ) crystal component. A...
|
|
|
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...
|
|
|
5885914 |
Alkali-free glass and display substrate
An alkali-free glass consisting essentially of from 60 to 74 mol % of SiO 2 , from 10 to 16 mol % of Al 2 O 3 , from 10 to 12 mol % of B 2 O 3 , the molar ratio of Al 2 O 3 /B 2 O 3 being...
|
|
|
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 ...
|
|
|
5843853 |
Lead-free glass composition and its use
The invention pertains to a new lead-free glass composition with improved properties, a glass frit of this composition and its use for the production of glass-enamel, particularly for architectural...
|