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5306588 |
Treated silica fine powder and toner for developing electrostatic images
A treated silica fine powder and a toner having this powder to be used as a toner for developing an electrostatic image. The treated silica fine powder is formed of treated fine silica particles...
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5304520 |
Porous ceramic composite with dense surface
There is disclosed a method for making a self-supporting ceramic composite article having a porous core bearing a dense surface layer formed integrally with said core. A preform comprises a filler...
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5304241 |
Electronic component sealing filler
A filler to be dispersed, as an inorganic material, in a thermosetting resin to produce an electronic component sealing agent, is composed of crystalline silicon dioxide particles. Not less than 70...
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5298323 |
Bearing steel and rolling bearing made thereof
A long-life bearing steel and a long-life rolling bearing made of the steel are disclosed. In the steel, the number of oxide or oxide-based inclusion particles in a given unit area A of 160 mm 3 ...
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5294476 |
Patterning process and microparticles of substantially the same geometry and shape
A method of providing patterned, thin-film materials on flexible substrates by depositing a first, etchable, integral mask onto a substrate, depositing a second pattern material over the mask...
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5288769 |
Thermally conducting adhesive containing aluminum nitride
Thermally conductive particles (14) for use in a polymeric resin are provided. The particles (10) are aluminum nitride coated with copper (12). The thermally conductive particles (14) are...
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5284881 |
Composite hollow particles
Disclosed is composite hollow particles which are excellent in solvent resistance and mechanical stability and have strong walls and which can be easily synthesized. The composite hollow particles...
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5283089 |
Non-porous diffusion furnace components
Components for semiconductor diffusion furnaces are constructed of a high purity impervious silicon carbide or silicon nitride matrix deposited onto and within a pre-shaped fibrous matrix of...
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5275868 |
Label stock laminate
There is provided a label stock laminate which is adapted for passage through office copiers and desk top printers which comprises a laminate of 50 lbs. laminated to a layer of a hot pressure...
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5273942 |
Ceramic powder useful in the manufacture of green and densified fired ceramic articles
A method of coating ceramic powders, e.g. Si 3 N 4 , with a sintering aid and of utilizing such coated powders to form green and sintered ceramic bodies is described. The method comprises treating...
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5273833 |
Coated reinforcements for high temperature composites and composites made therefrom
The subject invention relates to a coated reinforcement material comprising a Si-containing reinforcement having a coating of the general formula: Al x O y N z wherein x is up to about 60...
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5271969 |
Method of manufacturing metal oxide ceramic composite powder
A metal oxide ceramic composite powder has crystals of a reacted and precipitated metal oxide distributed on fine particles of a ceramic material. The metal oxide is derived from an aqueous...
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5270033 |
Antimicrobial composition and method of making same
A stabilized aqueous dentifrice composition capable of producing or, in the presence of saliva, leading to the production of antimicrobially effective concentrations of hypothiocyanite ions...
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5266536 |
Ceramic green bodies
Green bodies suitable for use in manufacturing ceramic articles are provided. The bodies comprise a coherent mass of particles of aluminium oxide free of organic binder and having a fracture stress...
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5266404 |
Non-oxide ceramic particles coated with zirconium oxide or hydrous oxide
A composition suitable for the production of ceramics is provided. The composition comprises a particulate material which is a nitride, carbide, carbonitride or boride of Ti, Zr, Al, Si or B having...
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5261924 |
Layered cementitous composition which time releases permanganate ion
A layered composition which includes a hardened core comprising at least about 50 weight percent permanganate which composition releases permanganate ion into an aqueous media over time is...
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5262240 |
Aggregate treatment
The subject invention relates to a process for coating aggregate which is particularly useful in making asphalt concrete to provide the aggregate with a high level of resistance to stripping by...
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5256616 |
Materials and methods for photocatalyzing oxidation of organic compounds on water
A bead having an exterior surface which is at least partially coated with a material that under illumination and in the presence of air is capable of accelerating the oxidation of organic compounds...
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5254364 |
Method of making a soil composition comprised of clay-coated sand particles
A method of making a soil composition involves continuously mixing sand and plasticizer in an agitation mixer. The sand becomes coated with the plasticizer, whereupon a quantity of clay is then...
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5248557 |
Coated refractory composition and method for making the same
A composition comprising an alpha alumina substrate having a first coating layer of calcium pyrophosphate and a second coating layer of hydrous alumina, and to a calcined composition comprising an...
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5248556 |
Systhetic whitener pigment
Whitener pigment particles that offer good hiding power consist of particles having a uniform shape (preferably spherical) and varying only slightly in dimension. The particles consist of an...
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5246753 |
Plastic multilayer vessel
Disclosed is a plastic multilayer vessel having a laminate structure comprising an intermediate layer of a resin composition formed by incorporating an organic metal complex of a transition metal...
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5246780 |
Coated particle for use in cosmetic preparations and method
A coated particle useful in cosmetic compositions including a base particle, a coupling agent and an outer coating, and a method of making same. A preferred embodiment comprises hollow spherical...
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5232781 |
Method for manufacturing layer-built material with silicon dioxide film containing organic colorant and the layer-built material manufactured thereby
A method for forming a silicon dioxide film according to the present invention comprises steps of: (i) contacting a substrate with processing solution containing silicofluoric acid solution...
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5230977 |
Developer material toner containing inorganic oxide particle coating
A developer material toner comprising powdered developer material color-reactable with dye or dye precursor and powdered inorganic oxide covering the surface of the powdered developer material.
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5227345 |
Powder mixtures including ceramics and metal compounds
Novel, hot pressed metal-ceramic mixtures provide increased density, hardness, and flexural strength in comparison with pure densified ceramics.
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5225458 |
Powder of (co)polymer of one or more 1-olefins blended with pulverulent inorganic material
A process for (co)polymerizing alpha-olefins in the gas phase in a fluidized bed or mechanically stirred bed reactor using a Ziegler-Natta type catalyst or a heat activated chromium...
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5223341 |
Phosphor containing barium and lead
A phosphor of the type utilized in a fluorescent lamp and which includes core elements barium, lead, silicon, and oxygen where a continuous, conformal outer coating of hydration and solubilization...
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5223333 |
Composite material for enhancing traction
A composite material for enhancing traction between a surface of an article made of the material and a second contact surface is disclosed. Fine chips are encapsulated in covering material to form...
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5219901 |
Asphalt concrete composition and method of making same
A novel asphalt-aggregate composition in which the aggregate particles and the asphalt are separated by a very thin film of a water insoluble organic polymer. The continuous thin film is formed by...
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5220243 |
Moisture insensitive zinc sulfide electroluminescent materials and an electroluminescent device made therefrom
A coated electroluminescent phosphor and an electroluminescent device using the phosphor. The phosphor is coated with a hydrolyzed alkylaluminum coating which renders the phosphors insensitive to...
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5217804 |
Magnetic particles
Magnetic particles are cobalt surface treated gamma iron oxide (Fe 2 O 3 ) having a specific area of at least 30 m 2 /g and a powder coercivity greater than about 450 Oe, the particles being...
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RE34267 |
Substitute ground surface material
The invention relates to a substitute soil material for laying as a sports surface for example a horse-race track. The material may be a sand or other fine granular material with a binder...
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5211871 |
Water treatment agent
An agent for the treatment of water containing dissolved aluminum comprises a particulate alkali metal or quaternary ammonium silicate, the particles having a coating of a water-insoluble silicate...
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5209998 |
Colored silica particles
Disclosed is a composition which comprises silica particles containing a water soluble dye entrapped therein, said silica particles being coated with a surfactant. The particles can be prepared by...
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5207830 |
Lightweight particulate cementitious materials and process for producing same
Disclosed is a process of manufacturing a lightweight particulate cementitious composition particularly adapted to the sorption of liquids comprising adding to a foamed cement slurry a particle...
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5204402 |
Multipurpose additive system for thermoplastic resins
A multipurpose additive system comprising (a) an alkali metal zeolite, an alkaline earth metal zeolite, zinc zeolite, or mixtures thereof; (b) (i) an aliphatic compound containing at least...
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5202371 |
Free-flowing rubber granules
Free-flowing granules of thermoplastic elastomers are obtained by applying a finely divided mineral powder, namely a silicate from the group comprising wollastonite, kaolinite or mica, in an amount...
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5196473 |
Granules exhibiting reduced dusting
The present invention is directed to substantially dust-free granules. The granules are constituted by a normally dusty inorganic solid material and a water-dispersible nonionic vinyl polymer...
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5196620 |
Fixation and utilization of ash residue from the incineration of municipal solid waste
Municipal solid waste ash is utilized in the manufacture of an aggregate and is processed to form a cold bonded pellet which, when tested by means of TCLP leaching extraction tests using TCLP No. 2...
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5196267 |
Process for coating silica spheres
Silica microspheres formed by hydrolysis of a silica precursor having a mean diameter in the range of about 0.1 to 10 μm are provided with a thin surface layer, often a monolayer, of a metal to...
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5194089 |
Coated spinel color pigments, process for their production and use
Coated spinel color pigments with a core of a colored spinel, in particular CoAl 2 O 4 , and a coating glassy layer of a silicate are described. The coating layer is essentially silicon dioxide...
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5194330 |
Method of providing anti-oxidation protection for a composite material containing carbon, and a material protected thereby
A composite material containing carbon is protected against oxidation by forming, on the composite material, an inner layer, an intermediate layer containing boron or a boron compound, and an outer...
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5192613 |
Electrographic recording element with reduced humidity sensitivity
Electrographic recording element with reduced humidity sensitivity comprising (1) a base, e.g., paper, polymer film, (2) a conductive layer of a continuous coating of an electroconductive...
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5190583 |
Aqueous coating composition and the use thereof for coating to be protected from light, especially ultraviolet radiation
An aqueous coating composition is provided which reflects light, especially UV radiation, and can be colored as desired. It is prepared from a synthetic resin dispersion and inorganic pigments...
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5185207 |
Phosphor for cathode ray tube and surface treatment method for the phosphor
In a phosphor for a cathode-ray tube, a composition containing SiO 2 and at least one element selected from the group consisting of indium, zirconium, and antimony is adhered on the surfaces of...
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5183709 |
Acicular cobalt-modified iron oxides and their preparation
Acicular, cobalt-modified iron oxides consisting of a core of an iron oxide of the formula FeO x where x is from 1.33 to 1.5 and a ferrite shell which contains a total amount of from 0.4 to 12% by...
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5181954 |
Method for coating iron-bearing particles to be processed in a direct reduction process
At least a percentage of iron ore pellets and the like for use in a direct reduction process for the production of sponge iron are coated with a thin porous coating of Portland cement to counteract...
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5178676 |
Surfactant treated clays useful as anti-tack agents for uncured rubber compounds
An anti-tack composition and method based on a kaolin clay/nonionic surfactant of intermediate HLB is disclosed where the surfactant is preferably an ethoxylated, acetylenic diol or octylphenal.
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5175056 |
Galvanically compatible conductive filler
Composite particles designed as a filler for gaskets, caulking compounds and plastics in general. The unique properties are obtained by using a soft metal core galvanically similar to the metal the...
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