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7615184 |
Metal, ceramic and cermet articles formed from low viscosity aqueous slurries
Methods for producing metal, ceramic and cermet articles from low viscosity suspensions and the articles produced thereby. The articles include micro diameter hollow fibers, tubes having hollow...
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7517490 |
Method of manufacturing ceramic green body
A ceramic green body is formed by gelcasting. The ceramic green body is heated in the mold so that a solvent contained in the ceramic green body is moved to form a solvent film between the outer...
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7482390 |
Sinterable structures and method
A method of producing an open, porous structure having an outer surface defining a shape having a bulk volume and having interconnecting openings extending throughout said volume and opening...
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7473391 |
Methods for making molding material, molded body, and sintered body
A method of manufacturing a sintered body is provided. A molding powder, a gel-forming material powder and a solvent are mixed at a temperature not higher than a dissolving point of the gel-forming...
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7465421 |
Process of preparation of synthetic fire opal
A synthetic fire opal and a process for its preparation. Synthetic fire opals have similar physical and chemical properties as natural fire opals. Synthetic fire opals are colored, hard, and...
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7384988 |
Method and device for fabricating aerogels and aerogel monoliths obtained thereby
Method and devices for rapidly fabricating monolithic aerogels, including aerogels containing chemical sensing agents, are disclosed. The method involves providing a gel precursor solution or a...
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7294598 |
Dielectric oxide materials
A material made of a dielectric oxide of type Ca 0.25 Cu 0.75 TiO 3 having a dielectric constant greater than 3,000.
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7291397 |
Gas barrier substrate and method for manufacturing the same
A gas barrier substrate includes a compound gradient layer. The compound gradient layer includes an inorganic material and a resin material. A content of the inorganic material in the resin...
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7201022 |
Systems and methods for filling voids and improving properties of porous thin films
Methods of reducing the intrusions or migrations of photolithography materials by introducing a sol-gel layer onto a porous thin film prior to applying the photolithography/photoresist material...
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7100400 |
Manufacture of silica bodies using sol-gel techniques
The use of large dense vitreous spherical (LDVS) silica powders for making sol-gel silica bodies has been found to have important advantages. Among these are higher gel strength, higher silica...
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7014799 |
Method of forming mesoscopically structured material
A low-cost, efficient method of preparing hierarchically ordered structures by filling a minimold with a microsphere-containing latex suspension, forming an close-packed array of microspheres...
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7011726 |
Method of fabricating thin dielectric film and thin film capacitor including the dielectric film
A method of fabricating a thin dielectric film, a thin dielectric film formed according to the method, and a system including the thin dielectric film. The method includes: depositing a ceramic...
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7003981 |
Low phonon energy gain medium and related active devices
Using sol-gel techniques, an optical gain medium has been fabricated comprising a glass ceramic host material that includes clusters of crystalline oxide material, especially tin oxide, and that is...
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7001568 |
Method of removing liquid from pores of a sol-gel monolith
A method processes a gel monolith comprising pores filled with liquid, an inner region, and an outer region. The method includes removing a portion of the liquid from the pores of the gel monolith...
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6946013 |
Ceramic exhaust filter
An improved, efficient, and regenerable exhaust emission filter and filter system are provided which incorporate the use of an inorganic, non-woven fiber filter element. The filter is able to...
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6936306 |
Chemical control over ceramic porosity using carboxylate-alumoxanes
This invention relates generally to a method for controlling the pore size, pore size distribution and porosity of aluminum-oxide based ceramics through the choice of substituents on...
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6858170 |
Silica-alumina catalyst carriers preparation
The present invention relates to a process for preparing silica-alumina carriers preferably under the form of extrudates. Further, the present invention also provides hydrogenation catalysts...
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6821474 |
Method for preparing dielectric composite materials
The invention allows the fabrication of small, dense beads of dielectric materials with selected compositions, which are incorporated into a polymeric matrix for use in capacitors, filters, and the...
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6797203 |
Method of forming ceramic beads
A method of forming substantially spherical ceramic beads that includes conveying an aqueous ceramic slurry to a nozzle tip that is immersed in an inert water-immiscible fluid layer. The nozzle tip...
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6787080 |
Colloidal isopressing
Colloidal isopressing provides a rapid method to form an engineering shape from a powder slurry, previously filtered to remove strength degrading inclusions. A slurry composed of a weakly...
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6749798 |
High density ceramic thick film fabrication method by screen printing
A high density ceramic thick film is fabricated by providing vehicle comprising an organic binder and solvent, dispersing ceramic powders into the vehicle to be paste, forming the paste to thick...
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6716378 |
Method for forming hierarchically ordered porous oxides
A low-cost, efficient method of preparing hierarchically ordered structures by filling a mold with a self-assembling mixture of hydrolyzed inorganic species and amphiphilic block copolymers and...
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6669892 |
Method for preventing warpage of gel plates during sintering
A new method is disclosed for producing thin plates by sintering a thin gel plate (e.g., silica) made using a sol-gel process, which substantially eliminates warpage of the plate during the...
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6667106 |
GEL COMPOSITION, PROCESS FOR THE PREPARATION OF THE GEL COMPOSITION, GEL ELECTROLYTE COMPOSITION COMPRISING THE GEL COMPOSITION PROCESS FOR THE PREPARATION OF THE GEL ELECTROLYTE COMPOSITION, AND SOLID ELECTROLYTE LAMINATE CONTAINING THE GEL ELECTROLYTE COMPOSITION
A gel composition comprising a reversible gelling agent, an irreversible gelling agent, an electrolyte salt and a solvent for the electrolyte salt; a preparation process for the gel composition...
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6663828 |
Sintering method and apparatus using centrifugal force
A method and an apparatus for sintering a compact of particulate material for a ceramic or of particles of a metal, or a ceramic precursor film, wherein the sintering is performed by heating and...
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6660192 |
Molded waveguides
Chemically or biochemically active agents or other species are patterned on a substrate surface by providing a micromold having a contoured surface and forming, on a substrate surface, a chemically...
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6660115 |
Method of manufacturing a ceramic matrix composite
A method of manufacturing a ceramic matrix composite comprises forming a slurry comprising a ceramic sol, filler particles and a solvent and forming laminates of fibers ( 12 ). The laminates of...
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6620368 |
Sol-gel process for production of oxide-based glass and ceramic articles
A process which uses sol-gel to process oxide-based monoliths which are virtually free of cracks, without nullifying the desired attributes of the oxide-based monoliths. The method comprises...
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6589457 |
Polymer-assisted aqueous deposition of metal oxide films
An organic solvent-free process for deposition of metal oxide thin films is presented. The process includes aqueous solutions of necessary metal precursors and an aqueous solution of a...
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6571582 |
Manufacture of silica bodies using sol-gel techniques
The use of silica powders having large particle sizes in making sol-gel silica bodies has been found to have important advantages. Among these are higher gel strength, higher silica loading, more...
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6559103 |
Method for producing superconducting oxide compounds
A process is provided for preparing solid superconducting mixed-metal oxides whereby the superconductor can be formed into any predetermined shape by way of viscous sol precursors. The...
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6555048 |
Method for manufacturing tube-shaped silica glass product
A silica product, method and apparatus for manufacturing a tube-shaped silica glass product using a molded green body having a hollow rod structure. A molded green body having a hollow rod...
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6551546 |
Method for producing a shaped body using a metal oxide sol
A process for producing a shaped body comprising at least one porous oxidic material and at least one metal oxide comprises the following step (i): (i) mixing the porous oxidic material or...
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6551533 |
Method of forming fibrous materials and articles therefrom
A method including synthesizing polymeric precursors via organic acid modification; fabricating a fibrous material of the polymeric precursors; and fabricating a body of the fibrous material. One...
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6543107 |
Method of producing a piezoelectric thin film
A method for producing the piezoelectric thin film is based on a sol-gel process and comprises the steps of: coating a substrate with a sol composition comprising a sol, of a metal component for...
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6533966 |
Method for preparing suspensions and powders based in indium tin oxide and the use thereof
Suspensions and powders based on indium tin oxide are prepared by a method in which indium tin oxide precursors are precipitated from solutions in one or more solvents in the presence of one or...
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6531209 |
Suspension adhesive for bonding and sealing components in a light source
A suspension adhesive comprised of a matrix material and a particulate filler material is useful for bonding, sealing, repairing, and modifying ceramic, glass, and powdered metal components in a...
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6519976 |
Method for production of silica glass using sol-gel process
A composition for production of silica glass using a sol-gel process is described, comprising silica particles, a dispersing agent, and a solution containing a polymerizable monomer for formation...
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6514454 |
Sol-gel process using porous mold
A sol-gel process for producing dry porous gel monoliths, e.g., silica glass monoliths, in which the successive process steps of gelling, aging and drying all occur within a mold formed of a...
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6479004 |
Silica-alumina carriers preparation, hydrogenation catalysts preparation therewith and their use for aromatics hydrogenation
The present invention relates to a process for preparing silica-alumina carriers preferably under the form of extrudates. Further, the present invention also provides hydrogenation catalysts...
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6432238 |
Method for fabricating piezoelectric/electrostrictive thick film using seeding layer
Disclosed is a method for fabricating a piezoelectric/electrostrictive thick film, using a seeding layer. On a substrate is formed the seeding layer which is prepared from a ceramic sol solution or...
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6428803 |
Hydroxylapatite gel
The invention relations to a hydroxylapatite gel obtained through a sol-gel process, in which an alkaline aqueous solution of a calcium salt is reacted with an alkaline aqueous solution of a...
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6410631 |
Composition for production of silica glass using sol-gel process
A composition for production of silica glass using a sol-gel process is described, comprising silica particles, a dispersing agent, and a solution containing a polymerizable monomer for formation...
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6403001 |
Production of powder-molded body
A method for producing a powder-molded body is provided, including the steps of casting a slurry containing a powder of at least one of a ceramic and a metal, and organic dispersion medium, and a...
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6383443 |
Sol-gel process for making monolithic alpha-alumina articles having controlled porosity
Disclosed is a sol-gel process for making high-density monolithic alpha-alumina articles. Cracking problems caused by shrinkage of the gel during the drying and firing stages are minimized by...
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6375877 |
Method of making a functionally graded material
A gelcasting method of making an internally graded article alternatively includes the steps of: preparing a slurry including a least two different phases suspended in a gelcasting solution, the...
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6374638 |
Fabrication method of graded index silica glass
A fabrication method of graded index silica glass is disclosed. The method according to the present invention includes the steps of dispersing to form sol by mixing a starting material with a...
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6342177 |
Method for production of metal oxide thin film
The present invention relates to a method for production of a metal oxide thin film and a method for production of an arrayed metal oxide functional device, comprising the steps of: preparing a...
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6341701 |
Ceramic porous membrane including ceramic of ceramic and ceramic sol particles, ceramic porous body including the membrane, and method of manufacturing the membrane
The ceramic porous membrane comprises ceramic particles and ceramic sol particles (with the exception of TiO 2 sol particles). The ceramic particles and the ceramic sol particles are kneaded to...
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6333000 |
Process for making LaMnO3-coated ceramics
Processes are provided for forming composites comprising a LaMnO 3 perovskite coatings (or a related perovskite) on a mat of ceramic particles (e.g., fibers, microballoons, or mixtures thereof) or...
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