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6316106 |
Filler sand for a ladle tap hole valve
A filler sand for a ladle tap hole valve contains 70 to 90 wt % of chromite sand and 10 to 30 wt % of silica sand and is blended externally with 0.05 to 5 wt % of carbon black calculated based on...
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6316094 |
Cubic boron nitride sintered body
A cBN sintered body superior in chipping resistance. The cBN sintered body is a sintered body in which cBN particles are bonded through a bonding phase. The bonding phase has a two-dimensionally...
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6313247 |
Cinchonan based chiral selectors for separation of stereoisomers
Enantioseparation methods using chemical compounds which contain the chiral 9,11-substituted-10,11-dihydro-cinchonan skeleton (9,11-Subst.-DHC) and the precursors thereof with the 9-substituted...
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6309701 |
Fluorescent nanocrystal-labeled microspheres for fluorescence analyses
Provided are a fluorescent microsphere comprised of a plurality of fluorescent nanocrystals operably bound to a polymeric microsphere, and a method of producing the fluorescent microspheres which...
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6309749 |
Ceramic milling media containing tetragonal zirconia
The present invention is milling media composed of ceramic particles having an average size of 0.1 to 20 mm. The ceramic particles contain a tetragonal zirconia core and a continuous shell on the...
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6303047 |
Low dielectric constant multiple carbon-containing silicon oxide dielectric material for use in integrated circuit structures, and method of making same
A low dielectric constant multiple carbon-containing silicon oxide dielectric material for an integrated circuit structure is described which comprises a silicon oxide material including silicon...
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6303046 |
Aerogel materials and detectors, liquid and gas absorbing objects, and optical devices comprising same
New aerogels are disclosed which comprise silica, at least one organic polymer having polar functional groups, and at least one metal ion. Also disclosed are methods for making such aerogels and...
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6303223 |
Fused spherical silica for liquid sealant and liquid sealing resin composition
The present invention relates to fused spherical silica for liquid sealant which has a particle size distribution such that maximum particle size is 24 μm, average particle size is 2 to 7 μm, and...
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6296938 |
Reinforcing compounding material
The reinforcing compounding material includes a natural zeolite that has been surface-treated by a silane coupling agent. The zeolite may have a grain diameter not more than 6 μm and may be a...
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6287681 |
Preparation of wear-resistant laminates using mineral pigment composites
Wear resistant overlays for use in decorative laminates and laminates prepared therefrom comprising a web of cellulosic fibers having deposited on the surface thereof a layer of mineral pigment...
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6287668 |
Magnetic recording medium and substrate therefor
A magnetic recording medium of the present invention comprises: a non-magnetic base film; a non-magnetic undercoat layer formed on said non-magnetic base film, comprising a binder resin and...
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6284365 |
Composite material and method for producing the same
A method for producing a composite material, wherein compound A having a group selected from an aliphatic hydrocarbon group, aromatic hydrocarbon group and heterocycle-containing group which...
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6280656 |
Phosphor and method for the fabrication thereof
A phosphor includes about 99 dry weight % cathodoluminescent particles, which have a mean particle diameter equal to about 4 microns, and about 1 dry weight % non-cathodoluminescent inorganic...
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6277490 |
Color developer pigment for carbonless copying paper
A color developer pigment for carbonless copying papers based on acid-activated smectitic layered silicates, wherein a phenolic resin is condensed on the acid-activated layered silicate. The...
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6277489 |
Support for high performance affinity chromatography and other uses
Multilayered particulate materials are formed by coating a particulate substrate with a metal and adsorbing an organic layer comprising a recognition moiety onto the metal film. The recognition...
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6274241 |
Substrates seeded with precious metal salts, process for producing the same and their use
To provide a substrate enclosed in a uniform nucleation layer, a substrate is nucleated with a noble metal salt where the noble metal salt is chemically bound to the substrate, and a method is...
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6268054 |
Dispersible, metal oxide-coated, barium titanate materials
Barium titanate-based particles having a coating comprising an oxide, hydrous oxide, hydroxide or organic acid salt of a metal other than barium or titanium, wherein at least 90 percent of said...
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6268041 |
Narrow size distribution silicon and germanium nanocrystals
A method is described for the liquid phase synthesis of particles. The particles are composed of silicon or germanium and are optionally produced at sizes such that the particles exhibit quantum...
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6264855 |
Process for preparing water resistant luminous pigments
A process for preparing a water resistant luminous pigment with durability, characterized in that a luminous pigment, in which an oxide matrix comprising at least one element selected from the...
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6264710 |
Layered alumina-based abrasive grit abrasive products, and methods
Alumina-based abrasive material having at least an internal layer is provided. Preferably, the abrasive material results from co-extrusion of at least two different sols. In some preferred...
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6258456 |
Spheroidal slag particles and apparatus and process for producing spheroidal slag and fly ash particles
The present invention provides spheroidal particles of coal slag. The spheroidal particles have at least a hard outer shell, a diameter in the range of about 0.001 mm to 5 mm and comprise SiO 2 ,...
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6258137 |
CMP products
CMP processes and products employ aluminas comprising alpha alumina particles having a particle width of less than 50 nanometers and a surface area of at least 50 m 2 /gm.
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6248166 |
Porous material and cementitious compositions prepared therefrom
A method of treating a shell sand by heating it to 300° C. maximum for a time sufficient to remove substantially all of the water and organic content while maintaining substantially all of the...
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6248261 |
Electroluminescent phosphor and electroluminescent element using the same
An electroluminescent phosphor comprises zinc sulfide as a phosphor base material, at least one kind selected from copper and manganese as an activator, and at least one kind selected from...
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6246523 |
Methods of fabricating color shifting thin film pigments
Methods for fabricating a color shifting multilayer interference film are provided. The interference film may be used to produce flakes for use in colorants having color shifting properties. The...
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6241858 |
Methods and apparatus for producing enhanced interference pigments
Methods and apparatus are provided for uniformly depositing a coating material from a vaporization source onto a powdered substrate material to form a thin coalescence film of the coating material...
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6238794 |
Fade resistant black coating for roofing granules
A composition, containing carbon black pigment particles of a specific size and an inorganic binder, suitable for use as a color coating on inorganic substrates to provide a greater resistance to...
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6235372 |
Color stable pigment for granular surface coated roofing and siding shingles
This invention relates to a color stable pigment composition for coating hard mineral granules employed for weather surfacing asphalt roofing and siding shingles. The composition is a 40-60%...
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6235395 |
Flexible displays comprising spheres encapsulated within a wax
A display comprised of a first component containing spheres encapsulated within a wax, and thereover and thereunder said component substrates.
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6231981 |
Carbon-coated powder of titania containing titanium nitride and process for producing the same
A carbon-coated titania powder containing titanium nitride in which at least part of the surface of the titania powder containing titanium nitride is coated with carbon.
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6228481 |
Composite material having discontinuous three-dimensional network structure and production thereof
A composite material is composed of a matrix and dispersed components which form a discontinuous three-dimensional network structure in the matrix. It permits the dispersed components to fully...
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6225262 |
Encapsulated breaker slurry compositions and methods of use
An encapsulated breaker slurry composition for reducing the viscosity of a fracturing fluid. The slurry has a flashpoint above 93° C., and the liquid of the slurry does not facilitate release of...
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6221144 |
Conductive pigments
A pale electrically conductive pigment consisting of a substrate and an electrically conductive layer formed of phosphorus- and/or fluorine-doped tin oxide. There may be an interlayer disposed...
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6221931 |
Dental restorative composition
A dental restorative composition is disclosed, comprising: (a) a methacrylate or acrylate monomer, (b) an organic-inorganic composite filler prepared by curing a mixture of a particulate filler...
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6214466 |
Algae-resistant roofing granules
Algae-resistant roofing granules coated with: a first coat consisting of a fired silicate-clay matrix containing cuprous oxide and zinc sulfide to provide a slow, long-term bimetallic copper and...
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6210790 |
Glass-like composites comprising a surface-modified colloidal silica and method of making thereof
Transparent, hard, abrasion-resistant polymer composites, composed of a highly crosslinked silica-reinforced epoxy or 1-alkenyl resin wherein silica particles are covalently bonded to the resin. A...
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6211113 |
Catalyst beds for non-steady state processes
A layered catalyst support or carrier provides a core member for carrying out non-steady state heterogeneously catalyzed processes where reaction gases and their products come in contact with a...
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6207280 |
Multilayer-coated powder and process for producing the same
In producing a multilayer-coated powder by coating the surface of a base powder of a metal, metal oxide, etc. with two or more layers of a metal oxide or the like, the films of a metal oxide or the...
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6207253 |
Acicular hematite particles and magnetic recording medium
Acicular hematite particles of the present invention comprise an average major axis diameter of 0.004 to 0.295 μm, a geometrical standard deviation of minor axis diameter of not more than 1.35 and...
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6194069 |
Process for the production of coated particles
A process for the production of insulator-coated black particles, which comprises the steps of (1-a) dispersing particles of silica or a metal oxide in an alcohol-based solvent consisting mainly...
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6193794 |
Goniochromatic luster pigments based on multiply coated iron oxide platelets
The iron oxide platelets comprise at least one layer packet comprising A) a colorless coating having a refractive index n≤1.8, and B) a colorless coating having a refractive index n≥2.0.
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6191173 |
Process for the production of organofunctionalized aerogels
The invention relates to a process for preparing organofunctionally modified aerogels by gelling a water glass by means of polycondensation and then converting it, by drying while retaining the...
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6187438 |
Titanium dioxide particles, method for their preparation and their use in cosmetics, varnish and surface coating
The invention concerns titanium dioxide particles coated at least partially: with a first layer of at least a cerium and/or iron compound, and a second layer of at least a metal oxide, hydroxide or...
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6183867 |
Silicon dioxide which bears partially or fully silylated polysilicic acid chains on its surface
The invention relates to silicon dioxide which bears partially or fully silylated polysilicic acid chains on its surface, wherein the sum of silanol groups of the silicon dioxide surface (SiOH) and...
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6180225 |
Tannic acid-adsorbed silicon oxide used as resin additive
The present invention relates to silicon oxide having tannic acid adsorbed thereon, which is used as a degradation-preventing additive for a thermoplastic resin. This can be obtained by treating...
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6168859 |
Filler powder comprising a partially coated alumina powder and process to make the filler powder
A filler powder comprised of an alumina powder coated with a silicon containing coating, wherein the silicon containing coating at most partially covers the surface of said coated alumina powder...
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6162766 |
Encapsulated breakers, compositions and methods of use
An encapsulated breaker is enclosed within a hydrolytically degradable polymer coating. Compositions containing this encapsulated breaker, methods of making and methods of use are also described.
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6162883 |
Catalyst mixture and polymerizable composition
A mixture of at least one thermal carbene-free ruthenium catalyst A and at least one thermal ruthenium carbene catalyst B, both of which initiate the ring-opening metathesis polymerization on their...
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6162497 |
Manufacturing particles and articles having engineered properties
A plurality of particles include a first material. A coating including a second material is formed on surfaces of the particles, until a selected ratio of the volume of the coating relative to the...
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6159077 |
Colloidal silica polishing abrasive
This colloidal silica soot is a byproduct of chemical vapor deposition processing of fused silica or ultra low expansion glasses in the finishing industry. The colloidal silica by product is...
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